Home / 719,714,721.91-1,079,970,442.13-351,252,726.30

Finding the Fourth Proportional to 719,714,721.91, 1,079,970,442.13 and 351,252,726.30

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Solution

The fourth proportional to 719,714,721.91, 1,079,970,442.13 and 351,252,726.30 is: 527,073,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,714,721.91 : 1,079,970,442.13 = 351,252,726.30 : x
  2. Step 2: Convert to fraction form
    719,714,721.91/1,079,970,442.13 = 351,252,726.30/x
  3. Step 3: Cross multiply
    719,714,721.91x = 1,079,970,442.13 × 351,252,726.30
  4. Step 4: Simplify right side
    719,714,721.91x = 379,342,562,121,578,944
  5. Step 5: Solve for x
    x = 379,342,562,121,578,944/719,714,721.91
  6. Step 6: Final answer
    x = 527,073,506.45

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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.