Home / 438,140,480.44-656,242,008.14-299,637,856.12

Finding the Fourth Proportional to 438,140,480.44, 656,242,008.14 and 299,637,856.12

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Solution

The fourth proportional to 438,140,480.44, 656,242,008.14 and 299,637,856.12 is: 448,794,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,140,480.44 : 656,242,008.14 = 299,637,856.12 : x
  2. Step 2: Convert to fraction form
    438,140,480.44/656,242,008.14 = 299,637,856.12/x
  3. Step 3: Cross multiply
    438,140,480.44x = 656,242,008.14 × 299,637,856.12
  4. Step 4: Simplify right side
    438,140,480.44x = 196,634,948,414,953,184
  5. Step 5: Solve for x
    x = 196,634,948,414,953,184/438,140,480.44
  6. Step 6: Final answer
    x = 448,794,295.88

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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.