Home / 518,275,430.10-711,413,007.44-458,222,597.10

Finding the Fourth Proportional to 518,275,430.10, 711,413,007.44 and 458,222,597.10

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Solution

The fourth proportional to 518,275,430.10, 711,413,007.44 and 458,222,597.10 is: 628,981,226.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,275,430.10 : 711,413,007.44 = 458,222,597.10 : x
  2. Step 2: Convert to fraction form
    518,275,430.10/711,413,007.44 = 458,222,597.10/x
  3. Step 3: Cross multiply
    518,275,430.10x = 711,413,007.44 × 458,222,597.10
  4. Step 4: Simplify right side
    518,275,430.10x = 325,985,515,877,587,328
  5. Step 5: Solve for x
    x = 325,985,515,877,587,328/518,275,430.10
  6. Step 6: Final answer
    x = 628,981,226.86

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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.