Home / 458,998,455.70-688,632,765-148,100,239.36

Finding the Fourth Proportional to 458,998,455.70, 688,632,765 and 148,100,239.36

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Solution

The fourth proportional to 458,998,455.70, 688,632,765 and 148,100,239.36 is: 222,193,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,998,455.70 : 688,632,765 = 148,100,239.36 : x
  2. Step 2: Convert to fraction form
    458,998,455.70/688,632,765 = 148,100,239.36/x
  3. Step 3: Cross multiply
    458,998,455.70x = 688,632,765 × 148,100,239.36
  4. Step 4: Simplify right side
    458,998,455.70x = 101,986,677,327,638,640
  5. Step 5: Solve for x
    x = 101,986,677,327,638,640/458,998,455.70
  6. Step 6: Final answer
    x = 222,193,944.36

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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.