Home / 418,832,887.69-627,432,020.83-326,283,278.22

Finding the Fourth Proportional to 418,832,887.69, 627,432,020.83 and 326,283,278.22

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Solution

The fourth proportional to 418,832,887.69, 627,432,020.83 and 326,283,278.22 is: 488,788,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,832,887.69 : 627,432,020.83 = 326,283,278.22 : x
  2. Step 2: Convert to fraction form
    418,832,887.69/627,432,020.83 = 326,283,278.22/x
  3. Step 3: Cross multiply
    418,832,887.69x = 627,432,020.83 × 326,283,278.22
  4. Step 4: Simplify right side
    418,832,887.69x = 204,720,576,617,016,352
  5. Step 5: Solve for x
    x = 204,720,576,617,016,352/418,832,887.69
  6. Step 6: Final answer
    x = 488,788,207.98

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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.