Home / 475,488,002.10-713,232,003.15-309,040,680.90

Finding the Fourth Proportional to 475,488,002.10, 713,232,003.15 and 309,040,680.90

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Solution

The fourth proportional to 475,488,002.10, 713,232,003.15 and 309,040,680.90 is: 463,561,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,488,002.10 : 713,232,003.15 = 309,040,680.90 : x
  2. Step 2: Convert to fraction form
    475,488,002.10/713,232,003.15 = 309,040,680.90/x
  3. Step 3: Cross multiply
    475,488,002.10x = 713,232,003.15 × 309,040,680.90
  4. Step 4: Simplify right side
    475,488,002.10x = 220,417,703,893,146,912
  5. Step 5: Solve for x
    x = 220,417,703,893,146,912/475,488,002.10
  6. Step 6: Final answer
    x = 463,561,021.35

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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.