Home / 359,718,720.66-538,760,865.96-281,508,209.46

Finding the Fourth Proportional to 359,718,720.66, 538,760,865.96 and 281,508,209.46

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Solution

The fourth proportional to 359,718,720.66, 538,760,865.96 and 281,508,209.46 is: 421,622,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,718,720.66 : 538,760,865.96 = 281,508,209.46 : x
  2. Step 2: Convert to fraction form
    359,718,720.66/538,760,865.96 = 281,508,209.46/x
  3. Step 3: Cross multiply
    359,718,720.66x = 538,760,865.96 × 281,508,209.46
  4. Step 4: Simplify right side
    359,718,720.66x = 151,665,606,703,518,656
  5. Step 5: Solve for x
    x = 151,665,606,703,518,656/359,718,720.66
  6. Step 6: Final answer
    x = 421,622,779.11

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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.