Home / 754,476,348.54-1,041,177,411.03-419,941,691.70

Finding the Fourth Proportional to 754,476,348.54, 1,041,177,411.03 and 419,941,691.70

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Solution

The fourth proportional to 754,476,348.54, 1,041,177,411.03 and 419,941,691.70 is: 579,519,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,476,348.54 : 1,041,177,411.03 = 419,941,691.70 : x
  2. Step 2: Convert to fraction form
    754,476,348.54/1,041,177,411.03 = 419,941,691.70/x
  3. Step 3: Cross multiply
    754,476,348.54x = 1,041,177,411.03 × 419,941,691.70
  4. Step 4: Simplify right side
    754,476,348.54x = 437,233,803,347,764,416
  5. Step 5: Solve for x
    x = 437,233,803,347,764,416/754,476,348.54
  6. Step 6: Final answer
    x = 579,519,562.40

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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.