Home / 1,108,970,066.20-1,663,455,099.30-291,165,035.80

Finding the Fourth Proportional to 1,108,970,066.20, 1,663,455,099.30 and 291,165,035.80

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Solution

The fourth proportional to 1,108,970,066.20, 1,663,455,099.30 and 291,165,035.80 is: 436,747,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,970,066.20 : 1,663,455,099.30 = 291,165,035.80 : x
  2. Step 2: Convert to fraction form
    1,108,970,066.20/1,663,455,099.30 = 291,165,035.80/x
  3. Step 3: Cross multiply
    1,108,970,066.20x = 1,663,455,099.30 × 291,165,035.80
  4. Step 4: Simplify right side
    1,108,970,066.20x = 484,339,963,539,377,088
  5. Step 5: Solve for x
    x = 484,339,963,539,377,088/1,108,970,066.20
  6. Step 6: Final answer
    x = 436,747,553.70

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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.