Home / 765,131,862.80-1,146,502,051.89-532,417,253.46

Finding the Fourth Proportional to 765,131,862.80, 1,146,502,051.89 and 532,417,253.46

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Solution

The fourth proportional to 765,131,862.80, 1,146,502,051.89 and 532,417,253.46 is: 797,793,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,131,862.80 : 1,146,502,051.89 = 532,417,253.46 : x
  2. Step 2: Convert to fraction form
    765,131,862.80/1,146,502,051.89 = 532,417,253.46/x
  3. Step 3: Cross multiply
    765,131,862.80x = 1,146,502,051.89 × 532,417,253.46
  4. Step 4: Simplify right side
    765,131,862.80x = 610,417,473,553,713,792
  5. Step 5: Solve for x
    x = 610,417,473,553,713,792/765,131,862.80
  6. Step 6: Final answer
    x = 797,793,822.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.