Home / 418,131,634.82-627,196,327.95-155,810,213.96

Finding the Fourth Proportional to 418,131,634.82, 627,196,327.95 and 155,810,213.96

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Solution

The fourth proportional to 418,131,634.82, 627,196,327.95 and 155,810,213.96 is: 233,714,901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,131,634.82 : 627,196,327.95 = 155,810,213.96 : x
  2. Step 2: Convert to fraction form
    418,131,634.82/627,196,327.95 = 155,810,213.96/x
  3. Step 3: Cross multiply
    418,131,634.82x = 627,196,327.95 × 155,810,213.96
  4. Step 4: Simplify right side
    418,131,634.82x = 97,723,594,052,815,840
  5. Step 5: Solve for x
    x = 97,723,594,052,815,840/418,131,634.82
  6. Step 6: Final answer
    x = 233,714,901.99

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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.