Home / 6,689,781,668.25-9,229,285,949.10-3,830,395,844.70

Finding the Fourth Proportional to 6,689,781,668.25, 9,229,285,949.10 and 3,830,395,844.70

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Solution

The fourth proportional to 6,689,781,668.25, 9,229,285,949.10 and 3,830,395,844.70 is: 5,284,450,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689,781,668.25 : 9,229,285,949.10 = 3,830,395,844.70 : x
  2. Step 2: Convert to fraction form
    6,689,781,668.25/9,229,285,949.10 = 3,830,395,844.70/x
  3. Step 3: Cross multiply
    6,689,781,668.25x = 9,229,285,949.10 × 3,830,395,844.70
  4. Step 4: Simplify right side
    6,689,781,668.25x = 35,351,818,549,008,207,872
  5. Step 5: Solve for x
    x = 35,351,818,549,008,207,872/6,689,781,668.25
  6. Step 6: Final answer
    x = 5,284,450,270.89

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Double scale
Find fourth proportional to 6,689,781,669.25, 9,229,285,950.48 and 3,830,395,845.70
Similar ratio
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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.