Home / 510,087,909.53-764,334,702.76-354,944,836.64

Finding the Fourth Proportional to 510,087,909.53, 764,334,702.76 and 354,944,836.64

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Solution

The fourth proportional to 510,087,909.53, 764,334,702.76 and 354,944,836.64 is: 531,862,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,087,909.53 : 764,334,702.76 = 354,944,836.64 : x
  2. Step 2: Convert to fraction form
    510,087,909.53/764,334,702.76 = 354,944,836.64/x
  3. Step 3: Cross multiply
    510,087,909.53x = 764,334,702.76 × 354,944,836.64
  4. Step 4: Simplify right side
    510,087,909.53x = 271,296,656,209,431,136
  5. Step 5: Solve for x
    x = 271,296,656,209,431,136/510,087,909.53
  6. Step 6: Final answer
    x = 531,862,549.85

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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.