Home / 418,204,475.10-627,224,043.96-397,464,891.66

Finding the Fourth Proportional to 418,204,475.10, 627,224,043.96 and 397,464,891.66

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Solution

The fourth proportional to 418,204,475.10, 627,224,043.96 and 397,464,891.66 is: 596,118,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,204,475.10 : 627,224,043.96 = 397,464,891.66 : x
  2. Step 2: Convert to fraction form
    418,204,475.10/627,224,043.96 = 397,464,891.66/x
  3. Step 3: Cross multiply
    418,204,475.10x = 627,224,043.96 × 397,464,891.66
  4. Step 4: Simplify right side
    418,204,475.10x = 249,299,536,679,108,512
  5. Step 5: Solve for x
    x = 249,299,536,679,108,512/418,204,475.10
  6. Step 6: Final answer
    x = 596,118,768.50

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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.