Home / 644,933,681.88-967,390,801.26-290,157,419.17

Finding the Fourth Proportional to 644,933,681.88, 967,390,801.26 and 290,157,419.17

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Solution

The fourth proportional to 644,933,681.88, 967,390,801.26 and 290,157,419.17 is: 435,231,755.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,933,681.88 : 967,390,801.26 = 290,157,419.17 : x
  2. Step 2: Convert to fraction form
    644,933,681.88/967,390,801.26 = 290,157,419.17/x
  3. Step 3: Cross multiply
    644,933,681.88x = 967,390,801.26 × 290,157,419.17
  4. Step 4: Simplify right side
    644,933,681.88x = 280,695,618,222,400,000
  5. Step 5: Solve for x
    x = 280,695,618,222,400,000/644,933,681.88
  6. Step 6: Final answer
    x = 435,231,755.00

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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.