Home / 15,933,386,663.16-21,990,001,703.42-9,068,452,402

Finding the Fourth Proportional to 15,933,386,663.16, 21,990,001,703.42 and 9,068,452,402

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Solution

The fourth proportional to 15,933,386,663.16, 21,990,001,703.42 and 9,068,452,402 is: 12,515,561,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933,386,663.16 : 21,990,001,703.42 = 9,068,452,402 : x
  2. Step 2: Convert to fraction form
    15,933,386,663.16/21,990,001,703.42 = 9,068,452,402/x
  3. Step 3: Cross multiply
    15,933,386,663.16x = 21,990,001,703.42 × 9,068,452,402
  4. Step 4: Simplify right side
    15,933,386,663.16x = 199,415,283,767,363,174,400
  5. Step 5: Solve for x
    x = 199,415,283,767,363,174,400/15,933,386,663.16
  6. Step 6: Final answer
    x = 12,515,561,693.39

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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.