Home / 976,672,057.60-1,465,008,086.40-330,439,801.60

Finding the Fourth Proportional to 976,672,057.60, 1,465,008,086.40 and 330,439,801.60

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Solution

The fourth proportional to 976,672,057.60, 1,465,008,086.40 and 330,439,801.60 is: 495,659,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,672,057.60 : 1,465,008,086.40 = 330,439,801.60 : x
  2. Step 2: Convert to fraction form
    976,672,057.60/1,465,008,086.40 = 330,439,801.60/x
  3. Step 3: Cross multiply
    976,672,057.60x = 1,465,008,086.40 × 330,439,801.60
  4. Step 4: Simplify right side
    976,672,057.60x = 484,096,981,412,411,712
  5. Step 5: Solve for x
    x = 484,096,981,412,411,712/976,672,057.60
  6. Step 6: Final answer
    x = 495,659,702.40

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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.