Home / 518,275,433.29-711,413,011.81-458,222,600.29

Finding the Fourth Proportional to 518,275,433.29, 711,413,011.81 and 458,222,600.29

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Solution

The fourth proportional to 518,275,433.29, 711,413,011.81 and 458,222,600.29 is: 628,981,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,275,433.29 : 711,413,011.81 = 458,222,600.29 : x
  2. Step 2: Convert to fraction form
    518,275,433.29/711,413,011.81 = 458,222,600.29/x
  3. Step 3: Cross multiply
    518,275,433.29x = 711,413,011.81 × 458,222,600.29
  4. Step 4: Simplify right side
    518,275,433.29x = 325,985,520,149,427,584
  5. Step 5: Solve for x
    x = 325,985,520,149,427,584/518,275,433.29
  6. Step 6: Final answer
    x = 628,981,231.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.