Home / 715,692,721.80-1,073,539,082.70-532,026,712.20

Finding the Fourth Proportional to 715,692,721.80, 1,073,539,082.70 and 532,026,712.20

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Solution

The fourth proportional to 715,692,721.80, 1,073,539,082.70 and 532,026,712.20 is: 798,040,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,692,721.80 : 1,073,539,082.70 = 532,026,712.20 : x
  2. Step 2: Convert to fraction form
    715,692,721.80/1,073,539,082.70 = 532,026,712.20/x
  3. Step 3: Cross multiply
    715,692,721.80x = 1,073,539,082.70 × 532,026,712.20
  4. Step 4: Simplify right side
    715,692,721.80x = 571,151,468,587,084,928
  5. Step 5: Solve for x
    x = 571,151,468,587,084,928/715,692,721.80
  6. Step 6: Final answer
    x = 798,040,068.30

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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.