Home / 465,588,063.90-642,527,039.11-253,906,444.19

Finding the Fourth Proportional to 465,588,063.90, 642,527,039.11 and 253,906,444.19

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Solution

The fourth proportional to 465,588,063.90, 642,527,039.11 and 253,906,444.19 is: 350,399,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,588,063.90 : 642,527,039.11 = 253,906,444.19 : x
  2. Step 2: Convert to fraction form
    465,588,063.90/642,527,039.11 = 253,906,444.19/x
  3. Step 3: Cross multiply
    465,588,063.90x = 642,527,039.11 × 253,906,444.19
  4. Step 4: Simplify right side
    465,588,063.90x = 163,141,755,797,320,704
  5. Step 5: Solve for x
    x = 163,141,755,797,320,704/465,588,063.90
  6. Step 6: Final answer
    x = 350,399,351.80

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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.