Home / 328,427,468.37-453,231,107.10-177,720,124.95

Finding the Fourth Proportional to 328,427,468.37, 453,231,107.10 and 177,720,124.95

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Solution

The fourth proportional to 328,427,468.37, 453,231,107.10 and 177,720,124.95 is: 245,254,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,427,468.37 : 453,231,107.10 = 177,720,124.95 : x
  2. Step 2: Convert to fraction form
    328,427,468.37/453,231,107.10 = 177,720,124.95/x
  3. Step 3: Cross multiply
    328,427,468.37x = 453,231,107.10 × 177,720,124.95
  4. Step 4: Simplify right side
    328,427,468.37x = 80,548,288,985,038,832
  5. Step 5: Solve for x
    x = 80,548,288,985,038,832/328,427,468.37
  6. Step 6: Final answer
    x = 245,254,422.19

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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.