Home / 442,868,390.30-664,302,585.45-328,077,134.30

Finding the Fourth Proportional to 442,868,390.30, 664,302,585.45 and 328,077,134.30

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Solution

The fourth proportional to 442,868,390.30, 664,302,585.45 and 328,077,134.30 is: 492,115,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,390.30 : 664,302,585.45 = 328,077,134.30 : x
  2. Step 2: Convert to fraction form
    442,868,390.30/664,302,585.45 = 328,077,134.30/x
  3. Step 3: Cross multiply
    442,868,390.30x = 664,302,585.45 × 328,077,134.30
  4. Step 4: Simplify right side
    442,868,390.30x = 217,942,488,542,516,896
  5. Step 5: Solve for x
    x = 217,942,488,542,516,896/442,868,390.30
  6. Step 6: Final answer
    x = 492,115,701.45

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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.