Home / 328,427,387.91-453,230,996.40-177,720,044.96

Finding the Fourth Proportional to 328,427,387.91, 453,230,996.40 and 177,720,044.96

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Solution

The fourth proportional to 328,427,387.91, 453,230,996.40 and 177,720,044.96 is: 245,254,311.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,427,387.91 : 453,230,996.40 = 177,720,044.96 : x
  2. Step 2: Convert to fraction form
    328,427,387.91/453,230,996.40 = 177,720,044.96/x
  3. Step 3: Cross multiply
    328,427,387.91x = 453,230,996.40 × 177,720,044.96
  4. Step 4: Simplify right side
    328,427,387.91x = 80,548,233,058,606,672
  5. Step 5: Solve for x
    x = 80,548,233,058,606,672/328,427,387.91
  6. Step 6: Final answer
    x = 245,254,311.98

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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.