Home / 15,933,386,665.16-21,990,001,706.18-9,068,452,404

Finding the Fourth Proportional to 15,933,386,665.16, 21,990,001,706.18 and 9,068,452,404

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Solution

The fourth proportional to 15,933,386,665.16, 21,990,001,706.18 and 9,068,452,404 is: 12,515,561,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933,386,665.16 : 21,990,001,706.18 = 9,068,452,404 : x
  2. Step 2: Convert to fraction form
    15,933,386,665.16/21,990,001,706.18 = 9,068,452,404/x
  3. Step 3: Cross multiply
    15,933,386,665.16x = 21,990,001,706.18 × 9,068,452,404
  4. Step 4: Simplify right side
    15,933,386,665.16x = 199,415,283,836,372,123,648
  5. Step 5: Solve for x
    x = 199,415,283,836,372,123,648/15,933,386,665.16
  6. Step 6: Final answer
    x = 12,515,561,696.15

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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.