Home / 458,998,412.24-688,632,699.92-148,100,195.86

Finding the Fourth Proportional to 458,998,412.24, 688,632,699.92 and 148,100,195.86

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Solution

The fourth proportional to 458,998,412.24, 688,632,699.92 and 148,100,195.86 is: 222,193,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,998,412.24 : 688,632,699.92 = 148,100,195.86 : x
  2. Step 2: Convert to fraction form
    458,998,412.24/688,632,699.92 = 148,100,195.86/x
  3. Step 3: Cross multiply
    458,998,412.24x = 688,632,699.92 × 148,100,195.86
  4. Step 4: Simplify right side
    458,998,412.24x = 101,986,637,731,290,512
  5. Step 5: Solve for x
    x = 101,986,637,731,290,512/458,998,412.24
  6. Step 6: Final answer
    x = 222,193,879.13

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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.