Home / 419,635,581.66-579,098,903.06-228,900,755.70

Finding the Fourth Proportional to 419,635,581.66, 579,098,903.06 and 228,900,755.70

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Solution

The fourth proportional to 419,635,581.66, 579,098,903.06 and 228,900,755.70 is: 315,884,024.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,635,581.66 : 579,098,903.06 = 228,900,755.70 : x
  2. Step 2: Convert to fraction form
    419,635,581.66/579,098,903.06 = 228,900,755.70/x
  3. Step 3: Cross multiply
    419,635,581.66x = 579,098,903.06 × 228,900,755.70
  4. Step 4: Simplify right side
    419,635,581.66x = 132,556,176,535,761,152
  5. Step 5: Solve for x
    x = 132,556,176,535,761,152/419,635,581.66
  6. Step 6: Final answer
    x = 315,884,024.92

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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.