Home / 644,933,680.88-967,390,799.76-290,157,418.17

Finding the Fourth Proportional to 644,933,680.88, 967,390,799.76 and 290,157,418.17

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Solution

The fourth proportional to 644,933,680.88, 967,390,799.76 and 290,157,418.17 is: 435,231,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,933,680.88 : 967,390,799.76 = 290,157,418.17 : x
  2. Step 2: Convert to fraction form
    644,933,680.88/967,390,799.76 = 290,157,418.17/x
  3. Step 3: Cross multiply
    644,933,680.88x = 967,390,799.76 × 290,157,418.17
  4. Step 4: Simplify right side
    644,933,680.88x = 280,695,616,819,773,056
  5. Step 5: Solve for x
    x = 280,695,616,819,773,056/644,933,680.88
  6. Step 6: Final answer
    x = 435,231,753.50

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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.