Home / 754,476,339.04-1,041,177,397.92-419,941,682.20

Finding the Fourth Proportional to 754,476,339.04, 1,041,177,397.92 and 419,941,682.20

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Solution

The fourth proportional to 754,476,339.04, 1,041,177,397.92 and 419,941,682.20 is: 579,519,549.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,476,339.04 : 1,041,177,397.92 = 419,941,682.20 : x
  2. Step 2: Convert to fraction form
    754,476,339.04/1,041,177,397.92 = 419,941,682.20/x
  3. Step 3: Cross multiply
    754,476,339.04x = 1,041,177,397.92 × 419,941,682.20
  4. Step 4: Simplify right side
    754,476,339.04x = 437,233,787,951,143,552
  5. Step 5: Solve for x
    x = 437,233,787,951,143,552/754,476,339.04
  6. Step 6: Final answer
    x = 579,519,549.29

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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.