Home / 458,998,416.75-688,632,706.65-148,100,200.35

Finding the Fourth Proportional to 458,998,416.75, 688,632,706.65 and 148,100,200.35

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Solution

The fourth proportional to 458,998,416.75, 688,632,706.65 and 148,100,200.35 is: 222,193,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,998,416.75 : 688,632,706.65 = 148,100,200.35 : x
  2. Step 2: Convert to fraction form
    458,998,416.75/688,632,706.65 = 148,100,200.35/x
  3. Step 3: Cross multiply
    458,998,416.75x = 688,632,706.65 × 148,100,200.35
  4. Step 4: Simplify right side
    458,998,416.75x = 101,986,641,822,427,776
  5. Step 5: Solve for x
    x = 101,986,641,822,427,776/458,998,416.75
  6. Step 6: Final answer
    x = 222,193,885.86

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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.