Home / 769,960,003.70-1,154,940,005.55-597,967,325.30

Finding the Fourth Proportional to 769,960,003.70, 1,154,940,005.55 and 597,967,325.30

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Solution

The fourth proportional to 769,960,003.70, 1,154,940,005.55 and 597,967,325.30 is: 896,950,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,960,003.70 : 1,154,940,005.55 = 597,967,325.30 : x
  2. Step 2: Convert to fraction form
    769,960,003.70/1,154,940,005.55 = 597,967,325.30/x
  3. Step 3: Cross multiply
    769,960,003.70x = 1,154,940,005.55 × 597,967,325.30
  4. Step 4: Simplify right side
    769,960,003.70x = 690,616,386,000,700,544
  5. Step 5: Solve for x
    x = 690,616,386,000,700,544/769,960,003.70
  6. Step 6: Final answer
    x = 896,950,987.95

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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.