Home / 458,279,605.68-632,479,707.92-257,369,498.32

Finding the Fourth Proportional to 458,279,605.68, 632,479,707.92 and 257,369,498.32

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Solution

The fourth proportional to 458,279,605.68, 632,479,707.92 and 257,369,498.32 is: 355,200,150.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,279,605.68 : 632,479,707.92 = 257,369,498.32 : x
  2. Step 2: Convert to fraction form
    458,279,605.68/632,479,707.92 = 257,369,498.32/x
  3. Step 3: Cross multiply
    458,279,605.68x = 632,479,707.92 × 257,369,498.32
  4. Step 4: Simplify right side
    458,279,605.68x = 162,780,985,124,950,528
  5. Step 5: Solve for x
    x = 162,780,985,124,950,528/458,279,605.68
  6. Step 6: Final answer
    x = 355,200,150.97

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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.