Home / 1,170,020,689,948.10-1,614,641,641,800.20-649,185,538,853.55

Finding the Fourth Proportional to 1,170,020,689,948.10, 1,614,641,641,800.20 and 649,185,538,853.55

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Solution

The fourth proportional to 1,170,020,689,948.10, 1,614,641,641,800.20 and 649,185,538,853.55 is: 895,883,306,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,020,689,948.10 : 1,614,641,641,800.20 = 649,185,538,853.55 : x
  2. Step 2: Convert to fraction form
    1,170,020,689,948.10/1,614,641,641,800.20 = 649,185,538,853.55/x
  3. Step 3: Cross multiply
    1,170,020,689,948.10x = 1,614,641,641,800.20 × 649,185,538,853.55
  4. Step 4: Simplify right side
    1,170,020,689,948.10x = 1,048,202,004,287,443,521,503,232
  5. Step 5: Solve for x
    x = 1,048,202,004,287,443,521,503,232/1,170,020,689,948.10
  6. Step 6: Final answer
    x = 895,883,306,417.38

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Double scale
Find fourth proportional to 1,170,020,689,949.10, 1,614,641,641,801.58 and 649,185,538,854.55
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.