Home / 425,458,916.48-638,254,358.90-179,816,585.48

Finding the Fourth Proportional to 425,458,916.48, 638,254,358.90 and 179,816,585.48

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Solution

The fourth proportional to 425,458,916.48, 638,254,358.90 and 179,816,585.48 is: 269,752,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,458,916.48 : 638,254,358.90 = 179,816,585.48 : x
  2. Step 2: Convert to fraction form
    425,458,916.48/638,254,358.90 = 179,816,585.48/x
  3. Step 3: Cross multiply
    425,458,916.48x = 638,254,358.90 × 179,816,585.48
  4. Step 4: Simplify right side
    425,458,916.48x = 114,768,719,485,124,432
  5. Step 5: Solve for x
    x = 114,768,719,485,124,432/425,458,916.48
  6. Step 6: Final answer
    x = 269,752,765.87

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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.