Home / 328,427,498.37-453,231,148.50-177,720,154.95

Finding the Fourth Proportional to 328,427,498.37, 453,231,148.50 and 177,720,154.95

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Solution

The fourth proportional to 328,427,498.37, 453,231,148.50 and 177,720,154.95 is: 245,254,463.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,427,498.37 : 453,231,148.50 = 177,720,154.95 : x
  2. Step 2: Convert to fraction form
    328,427,498.37/453,231,148.50 = 177,720,154.95/x
  3. Step 3: Cross multiply
    328,427,498.37x = 453,231,148.50 × 177,720,154.95
  4. Step 4: Simplify right side
    328,427,498.37x = 80,548,309,939,586,448
  5. Step 5: Solve for x
    x = 80,548,309,939,586,448/328,427,498.37
  6. Step 6: Final answer
    x = 245,254,463.59

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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.