Home / 767,539,397.13-1,059,204,360.56-415,115,377.71

Finding the Fourth Proportional to 767,539,397.13, 1,059,204,360.56 and 415,115,377.71

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Solution

The fourth proportional to 767,539,397.13, 1,059,204,360.56 and 415,115,377.71 is: 572,859,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,539,397.13 : 1,059,204,360.56 = 415,115,377.71 : x
  2. Step 2: Convert to fraction form
    767,539,397.13/1,059,204,360.56 = 415,115,377.71/x
  3. Step 3: Cross multiply
    767,539,397.13x = 1,059,204,360.56 × 415,115,377.71
  4. Step 4: Simplify right side
    767,539,397.13x = 439,692,018,203,867,776
  5. Step 5: Solve for x
    x = 439,692,018,203,867,776/767,539,397.13
  6. Step 6: Final answer
    x = 572,859,217.19

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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.