Home / 514,959,672.30-772,439,508.45-458,839,502.70

Finding the Fourth Proportional to 514,959,672.30, 772,439,508.45 and 458,839,502.70

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Solution

The fourth proportional to 514,959,672.30, 772,439,508.45 and 458,839,502.70 is: 688,259,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,959,672.30 : 772,439,508.45 = 458,839,502.70 : x
  2. Step 2: Convert to fraction form
    514,959,672.30/772,439,508.45 = 458,839,502.70/x
  3. Step 3: Cross multiply
    514,959,672.30x = 772,439,508.45 × 458,839,502.70
  4. Step 4: Simplify right side
    514,959,672.30x = 354,425,759,923,030,464
  5. Step 5: Solve for x
    x = 354,425,759,923,030,464/514,959,672.30
  6. Step 6: Final answer
    x = 688,259,254.05

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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.