Home / 279,433,254.90-418,686,504.03-169,927,177.62

Finding the Fourth Proportional to 279,433,254.90, 418,686,504.03 and 169,927,177.62

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Solution

The fourth proportional to 279,433,254.90, 418,686,504.03 and 169,927,177.62 is: 254,608,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,433,254.90 : 418,686,504.03 = 169,927,177.62 : x
  2. Step 2: Convert to fraction form
    279,433,254.90/418,686,504.03 = 169,927,177.62/x
  3. Step 3: Cross multiply
    279,433,254.90x = 418,686,504.03 × 169,927,177.62
  4. Step 4: Simplify right side
    279,433,254.90x = 71,146,215,937,402,656
  5. Step 5: Solve for x
    x = 71,146,215,937,402,656/279,433,254.90
  6. Step 6: Final answer
    x = 254,608,979.75

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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.