Home / 442,671,002.30-664,006,503.45-436,624,384.70

Finding the Fourth Proportional to 442,671,002.30, 664,006,503.45 and 436,624,384.70

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Solution

The fourth proportional to 442,671,002.30, 664,006,503.45 and 436,624,384.70 is: 654,936,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,671,002.30 : 664,006,503.45 = 436,624,384.70 : x
  2. Step 2: Convert to fraction form
    442,671,002.30/664,006,503.45 = 436,624,384.70/x
  3. Step 3: Cross multiply
    442,671,002.30x = 664,006,503.45 × 436,624,384.70
  4. Step 4: Simplify right side
    442,671,002.30x = 289,921,431,005,654,720
  5. Step 5: Solve for x
    x = 289,921,431,005,654,720/442,671,002.30
  6. Step 6: Final answer
    x = 654,936,577.05

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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.