Home / 391,445,254.98-587,396,844.98-145,971,476.10

Finding the Fourth Proportional to 391,445,254.98, 587,396,844.98 and 145,971,476.10

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Solution

The fourth proportional to 391,445,254.98, 587,396,844.98 and 145,971,476.10 is: 219,042,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,445,254.98 : 587,396,844.98 = 145,971,476.10 : x
  2. Step 2: Convert to fraction form
    391,445,254.98/587,396,844.98 = 145,971,476.10/x
  3. Step 3: Cross multiply
    391,445,254.98x = 587,396,844.98 × 145,971,476.10
  4. Step 4: Simplify right side
    391,445,254.98x = 85,743,184,517,483,616
  5. Step 5: Solve for x
    x = 85,743,184,517,483,616/391,445,254.98
  6. Step 6: Final answer
    x = 219,042,595.17

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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.