Home / 438,290,753.44-604,841,829.28-237,347,978.28

Finding the Fourth Proportional to 438,290,753.44, 604,841,829.28 and 237,347,978.28

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Solution

The fourth proportional to 438,290,753.44, 604,841,829.28 and 237,347,978.28 is: 327,540,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,290,753.44 : 604,841,829.28 = 237,347,978.28 : x
  2. Step 2: Convert to fraction form
    438,290,753.44/604,841,829.28 = 237,347,978.28/x
  3. Step 3: Cross multiply
    438,290,753.44x = 604,841,829.28 × 237,347,978.28
  4. Step 4: Simplify right side
    438,290,753.44x = 143,557,985,358,784,896
  5. Step 5: Solve for x
    x = 143,557,985,358,784,896/438,290,753.44
  6. Step 6: Final answer
    x = 327,540,529.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.