Home / 706,642,788.96-975,174,265.17-389,132,560.71

Finding the Fourth Proportional to 706,642,788.96, 975,174,265.17 and 389,132,560.71

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Solution

The fourth proportional to 706,642,788.96, 975,174,265.17 and 389,132,560.71 is: 537,006,907.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,642,788.96 : 975,174,265.17 = 389,132,560.71 : x
  2. Step 2: Convert to fraction form
    706,642,788.96/975,174,265.17 = 389,132,560.71/x
  3. Step 3: Cross multiply
    706,642,788.96x = 975,174,265.17 × 389,132,560.71
  4. Step 4: Simplify right side
    706,642,788.96x = 379,472,058,944,094,656
  5. Step 5: Solve for x
    x = 379,472,058,944,094,656/706,642,788.96
  6. Step 6: Final answer
    x = 537,006,907.69

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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.