Home / 976,671,753.60-1,465,007,630.40-330,439,497.60

Finding the Fourth Proportional to 976,671,753.60, 1,465,007,630.40 and 330,439,497.60

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Solution

The fourth proportional to 976,671,753.60, 1,465,007,630.40 and 330,439,497.60 is: 495,659,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,671,753.60 : 1,465,007,630.40 = 330,439,497.60 : x
  2. Step 2: Convert to fraction form
    976,671,753.60/1,465,007,630.40 = 330,439,497.60/x
  3. Step 3: Cross multiply
    976,671,753.60x = 1,465,007,630.40 × 330,439,497.60
  4. Step 4: Simplify right side
    976,671,753.60x = 484,096,385,369,542,528
  5. Step 5: Solve for x
    x = 484,096,385,369,542,528/976,671,753.60
  6. Step 6: Final answer
    x = 495,659,246.40

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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.