Home / 15,933,386,663.78-21,990,001,704.29-9,068,452,402.63

Finding the Fourth Proportional to 15,933,386,663.78, 21,990,001,704.29 and 9,068,452,402.63

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Solution

The fourth proportional to 15,933,386,663.78, 21,990,001,704.29 and 9,068,452,402.63 is: 12,515,561,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933,386,663.78 : 21,990,001,704.29 = 9,068,452,402.63 : x
  2. Step 2: Convert to fraction form
    15,933,386,663.78/21,990,001,704.29 = 9,068,452,402.63/x
  3. Step 3: Cross multiply
    15,933,386,663.78x = 21,990,001,704.29 × 9,068,452,402.63
  4. Step 4: Simplify right side
    15,933,386,663.78x = 199,415,283,788,951,158,784
  5. Step 5: Solve for x
    x = 199,415,283,788,951,158,784/15,933,386,663.78
  6. Step 6: Final answer
    x = 12,515,561,694.25

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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.