Home / 558,151,780.12-836,306,441.08-324,326,136.17

Finding the Fourth Proportional to 558,151,780.12, 836,306,441.08 and 324,326,136.17

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Solution

The fourth proportional to 558,151,780.12, 836,306,441.08 and 324,326,136.17 is: 485,953,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,151,780.12 : 836,306,441.08 = 324,326,136.17 : x
  2. Step 2: Convert to fraction form
    558,151,780.12/836,306,441.08 = 324,326,136.17/x
  3. Step 3: Cross multiply
    558,151,780.12x = 836,306,441.08 × 324,326,136.17
  4. Step 4: Simplify right side
    558,151,780.12x = 271,236,036,690,840,128
  5. Step 5: Solve for x
    x = 271,236,036,690,840,128/558,151,780.12
  6. Step 6: Final answer
    x = 485,953,904.21

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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.