Home / 726,452,214.84-1,002,535,800.66-408,932,931.42

Finding the Fourth Proportional to 726,452,214.84, 1,002,535,800.66 and 408,932,931.42

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Solution

The fourth proportional to 726,452,214.84, 1,002,535,800.66 and 408,932,931.42 is: 564,345,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,452,214.84 : 1,002,535,800.66 = 408,932,931.42 : x
  2. Step 2: Convert to fraction form
    726,452,214.84/1,002,535,800.66 = 408,932,931.42/x
  3. Step 3: Cross multiply
    726,452,214.84x = 1,002,535,800.66 × 408,932,931.42
  4. Step 4: Simplify right side
    726,452,214.84x = 409,969,903,817,390,592
  5. Step 5: Solve for x
    x = 409,969,903,817,390,592/726,452,214.84
  6. Step 6: Final answer
    x = 564,345,314.73

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Double scale
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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.