Home / 523,439,512.04-722,337,141.22-285,286,832.36

Finding the Fourth Proportional to 523,439,512.04, 722,337,141.22 and 285,286,832.36

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Solution

The fourth proportional to 523,439,512.04, 722,337,141.22 and 285,286,832.36 is: 393,690,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,439,512.04 : 722,337,141.22 = 285,286,832.36 : x
  2. Step 2: Convert to fraction form
    523,439,512.04/722,337,141.22 = 285,286,832.36/x
  3. Step 3: Cross multiply
    523,439,512.04x = 722,337,141.22 × 285,286,832.36
  4. Step 4: Simplify right side
    523,439,512.04x = 206,073,274,914,631,808
  5. Step 5: Solve for x
    x = 206,073,274,914,631,808/523,439,512.04
  6. Step 6: Final answer
    x = 393,690,713.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.