Home / 473,642,713.18-710,512,799.01-178,786,195.30

Finding the Fourth Proportional to 473,642,713.18, 710,512,799.01 and 178,786,195.30

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Solution

The fourth proportional to 473,642,713.18, 710,512,799.01 and 178,786,195.30 is: 268,197,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,642,713.18 : 710,512,799.01 = 178,786,195.30 : x
  2. Step 2: Convert to fraction form
    473,642,713.18/710,512,799.01 = 178,786,195.30/x
  3. Step 3: Cross multiply
    473,642,713.18x = 710,512,799.01 × 178,786,195.30
  4. Step 4: Simplify right side
    473,642,713.18x = 127,029,880,046,951,520
  5. Step 5: Solve for x
    x = 127,029,880,046,951,520/473,642,713.18
  6. Step 6: Final answer
    x = 268,197,686.81

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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.