Home / 458,998,412.19-688,632,699.81-148,100,195.82

Finding the Fourth Proportional to 458,998,412.19, 688,632,699.81 and 148,100,195.82

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Solution

The fourth proportional to 458,998,412.19, 688,632,699.81 and 148,100,195.82 is: 222,193,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,998,412.19 : 688,632,699.81 = 148,100,195.82 : x
  2. Step 2: Convert to fraction form
    458,998,412.19/688,632,699.81 = 148,100,195.82/x
  3. Step 3: Cross multiply
    458,998,412.19x = 688,632,699.81 × 148,100,195.82
  4. Step 4: Simplify right side
    458,998,412.19x = 101,986,637,689,916,256
  5. Step 5: Solve for x
    x = 101,986,637,689,916,256/458,998,412.19
  6. Step 6: Final answer
    x = 222,193,879.07

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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.