Home / 295,264,838.10-442,897,257.15-280,484,217.30

Finding the Fourth Proportional to 295,264,838.10, 442,897,257.15 and 280,484,217.30

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Solution

The fourth proportional to 295,264,838.10, 442,897,257.15 and 280,484,217.30 is: 420,726,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,264,838.10 : 442,897,257.15 = 280,484,217.30 : x
  2. Step 2: Convert to fraction form
    295,264,838.10/442,897,257.15 = 280,484,217.30/x
  3. Step 3: Cross multiply
    295,264,838.10x = 442,897,257.15 × 280,484,217.30
  4. Step 4: Simplify right side
    295,264,838.10x = 124,225,690,516,034,576
  5. Step 5: Solve for x
    x = 124,225,690,516,034,576/295,264,838.10
  6. Step 6: Final answer
    x = 420,726,325.95

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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.