Home / 323,657,434.40-485,934,049.20-255,576,999.20

Finding the Fourth Proportional to 323,657,434.40, 485,934,049.20 and 255,576,999.20

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Solution

The fourth proportional to 323,657,434.40, 485,934,049.20 and 255,576,999.20 is: 383,719,182.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,657,434.40 : 485,934,049.20 = 255,576,999.20 : x
  2. Step 2: Convert to fraction form
    323,657,434.40/485,934,049.20 = 255,576,999.20/x
  3. Step 3: Cross multiply
    323,657,434.40x = 485,934,049.20 × 255,576,999.20
  4. Step 4: Simplify right side
    323,657,434.40x = 124,193,566,103,641,152
  5. Step 5: Solve for x
    x = 124,193,566,103,641,152/323,657,434.40
  6. Step 6: Final answer
    x = 383,719,182.39

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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.