Home / 399,025,813.20-597,344,326.20-356,027,643.60

Finding the Fourth Proportional to 399,025,813.20, 597,344,326.20 and 356,027,643.60

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Solution

The fourth proportional to 399,025,813.20, 597,344,326.20 and 356,027,643.60 is: 532,975,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,025,813.20 : 597,344,326.20 = 356,027,643.60 : x
  2. Step 2: Convert to fraction form
    399,025,813.20/597,344,326.20 = 356,027,643.60/x
  3. Step 3: Cross multiply
    399,025,813.20x = 597,344,326.20 × 356,027,643.60
  4. Step 4: Simplify right side
    399,025,813.20x = 212,671,092,874,815,776
  5. Step 5: Solve for x
    x = 212,671,092,874,815,776/399,025,813.20
  6. Step 6: Final answer
    x = 532,975,777.10

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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.