Home / 557,862,487.62-769,827,115.18-303,544,894.30

Finding the Fourth Proportional to 557,862,487.62, 769,827,115.18 and 303,544,894.30

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Solution

The fourth proportional to 557,862,487.62, 769,827,115.18 and 303,544,894.30 is: 418,879,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,862,487.62 : 769,827,115.18 = 303,544,894.30 : x
  2. Step 2: Convert to fraction form
    557,862,487.62/769,827,115.18 = 303,544,894.30/x
  3. Step 3: Cross multiply
    557,862,487.62x = 769,827,115.18 × 303,544,894.30
  4. Step 4: Simplify right side
    557,862,487.62x = 233,677,090,306,587,008
  5. Step 5: Solve for x
    x = 233,677,090,306,587,008/557,862,487.62
  6. Step 6: Final answer
    x = 418,879,375.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.