Home / 502,659,643.20-753,989,464.80-347,691,447.60

Finding the Fourth Proportional to 502,659,643.20, 753,989,464.80 and 347,691,447.60

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Solution

The fourth proportional to 502,659,643.20, 753,989,464.80 and 347,691,447.60 is: 521,537,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,659,643.20 : 753,989,464.80 = 347,691,447.60 : x
  2. Step 2: Convert to fraction form
    502,659,643.20/753,989,464.80 = 347,691,447.60/x
  3. Step 3: Cross multiply
    502,659,643.20x = 753,989,464.80 × 347,691,447.60
  4. Step 4: Simplify right side
    502,659,643.20x = 262,155,688,491,461,248
  5. Step 5: Solve for x
    x = 262,155,688,491,461,248/502,659,643.20
  6. Step 6: Final answer
    x = 521,537,171.40

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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.