Home / 489,904,145.10-734,005,912.05-317,292,108.30

Finding the Fourth Proportional to 489,904,145.10, 734,005,912.05 and 317,292,108.30

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Solution

The fourth proportional to 489,904,145.10, 734,005,912.05 and 317,292,108.30 is: 475,387,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,904,145.10 : 734,005,912.05 = 317,292,108.30 : x
  2. Step 2: Convert to fraction form
    489,904,145.10/734,005,912.05 = 317,292,108.30/x
  3. Step 3: Cross multiply
    489,904,145.10x = 734,005,912.05 × 317,292,108.30
  4. Step 4: Simplify right side
    489,904,145.10x = 232,894,283,339,008,864
  5. Step 5: Solve for x
    x = 232,894,283,339,008,864/489,904,145.10
  6. Step 6: Final answer
    x = 475,387,452.15

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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.