Home / 487,969,029.20-732,520,414.20-294,099,352.40

Finding the Fourth Proportional to 487,969,029.20, 732,520,414.20 and 294,099,352.40

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Solution

The fourth proportional to 487,969,029.20, 732,520,414.20 and 294,099,352.40 is: 441,490,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,969,029.20 : 732,520,414.20 = 294,099,352.40 : x
  2. Step 2: Convert to fraction form
    487,969,029.20/732,520,414.20 = 294,099,352.40/x
  3. Step 3: Cross multiply
    487,969,029.20x = 732,520,414.20 × 294,099,352.40
  4. Step 4: Simplify right side
    487,969,029.20x = 215,433,779,435,999,776
  5. Step 5: Solve for x
    x = 215,433,779,435,999,776/487,969,029.20
  6. Step 6: Final answer
    x = 441,490,681.88

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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.