Home / 438,517,307.49-657,557,092.29-143,373,982.47

Finding the Fourth Proportional to 438,517,307.49, 657,557,092.29 and 143,373,982.47

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Solution

The fourth proportional to 438,517,307.49, 657,557,092.29 and 143,373,982.47 is: 214,989,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,517,307.49 : 657,557,092.29 = 143,373,982.47 : x
  2. Step 2: Convert to fraction form
    438,517,307.49/657,557,092.29 = 143,373,982.47/x
  3. Step 3: Cross multiply
    438,517,307.49x = 657,557,092.29 × 143,373,982.47
  4. Step 4: Simplify right side
    438,517,307.49x = 94,276,579,023,010,624
  5. Step 5: Solve for x
    x = 94,276,579,023,010,624/438,517,307.49
  6. Step 6: Final answer
    x = 214,989,414.13

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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.