Home / 6,445,824,686.80-9,668,737,030.20-1,787,689,646.80

Finding the Fourth Proportional to 6,445,824,686.80, 9,668,737,030.20 and 1,787,689,646.80

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Solution

The fourth proportional to 6,445,824,686.80, 9,668,737,030.20 and 1,787,689,646.80 is: 2,681,534,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445,824,686.80 : 9,668,737,030.20 = 1,787,689,646.80 : x
  2. Step 2: Convert to fraction form
    6,445,824,686.80/9,668,737,030.20 = 1,787,689,646.80/x
  3. Step 3: Cross multiply
    6,445,824,686.80x = 9,668,737,030.20 × 1,787,689,646.80
  4. Step 4: Simplify right side
    6,445,824,686.80x = 17,284,701,086,520,320,000
  5. Step 5: Solve for x
    x = 17,284,701,086,520,320,000/6,445,824,686.80
  6. Step 6: Final answer
    x = 2,681,534,470.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.