Home / 479,760,669.20-719,684,921.48-134,711,971.13

Finding the Fourth Proportional to 479,760,669.20, 719,684,921.48 and 134,711,971.13

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Solution

The fourth proportional to 479,760,669.20, 719,684,921.48 and 134,711,971.13 is: 202,080,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,760,669.20 : 719,684,921.48 = 134,711,971.13 : x
  2. Step 2: Convert to fraction form
    479,760,669.20/719,684,921.48 = 134,711,971.13/x
  3. Step 3: Cross multiply
    479,760,669.20x = 719,684,921.48 × 134,711,971.13
  4. Step 4: Simplify right side
    479,760,669.20x = 96,950,174,360,838,096
  5. Step 5: Solve for x
    x = 96,950,174,360,838,096/479,760,669.20
  6. Step 6: Final answer
    x = 202,080,288.33

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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.