Home / 559,872,001.70-839,808,002.55-423,823,105.70

Finding the Fourth Proportional to 559,872,001.70, 839,808,002.55 and 423,823,105.70

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Solution

The fourth proportional to 559,872,001.70, 839,808,002.55 and 423,823,105.70 is: 635,734,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,001.70 : 839,808,002.55 = 423,823,105.70 : x
  2. Step 2: Convert to fraction form
    559,872,001.70/839,808,002.55 = 423,823,105.70/x
  3. Step 3: Cross multiply
    559,872,001.70x = 839,808,002.55 × 423,823,105.70
  4. Step 4: Simplify right side
    559,872,001.70x = 355,930,035,832,454,464
  5. Step 5: Solve for x
    x = 355,930,035,832,454,464/559,872,001.70
  6. Step 6: Final answer
    x = 635,734,658.55

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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.