Home / 418,832,984.32-627,432,165.36-326,283,374.56

Finding the Fourth Proportional to 418,832,984.32, 627,432,165.36 and 326,283,374.56

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Solution

The fourth proportional to 418,832,984.32, 627,432,165.36 and 326,283,374.56 is: 488,788,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,832,984.32 : 627,432,165.36 = 326,283,374.56 : x
  2. Step 2: Convert to fraction form
    418,832,984.32/627,432,165.36 = 326,283,374.56/x
  3. Step 3: Cross multiply
    418,832,984.32x = 627,432,165.36 × 326,283,374.56
  4. Step 4: Simplify right side
    418,832,984.32x = 204,720,684,221,148,736
  5. Step 5: Solve for x
    x = 204,720,684,221,148,736/418,832,984.32
  6. Step 6: Final answer
    x = 488,788,352.12

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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.