Home / 729,712,525.14-1,006,990,844.13-395,182,333.62

Finding the Fourth Proportional to 729,712,525.14, 1,006,990,844.13 and 395,182,333.62

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Solution

The fourth proportional to 729,712,525.14, 1,006,990,844.13 and 395,182,333.62 is: 545,344,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,712,525.14 : 1,006,990,844.13 = 395,182,333.62 : x
  2. Step 2: Convert to fraction form
    729,712,525.14/1,006,990,844.13 = 395,182,333.62/x
  3. Step 3: Cross multiply
    729,712,525.14x = 1,006,990,844.13 × 395,182,333.62
  4. Step 4: Simplify right side
    729,712,525.14x = 397,944,991,717,267,072
  5. Step 5: Solve for x
    x = 397,944,991,717,267,072/729,712,525.14
  6. Step 6: Final answer
    x = 545,344,883.10

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Double scale
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1.5x scale

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.