Home / 664,912,459.80-997,278,147.90-173,664,145.80

Finding the Fourth Proportional to 664,912,459.80, 997,278,147.90 and 173,664,145.80

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Solution

The fourth proportional to 664,912,459.80, 997,278,147.90 and 173,664,145.80 is: 260,472,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,912,459.80 : 997,278,147.90 = 173,664,145.80 : x
  2. Step 2: Convert to fraction form
    664,912,459.80/997,278,147.90 = 173,664,145.80/x
  3. Step 3: Cross multiply
    664,912,459.80x = 997,278,147.90 × 173,664,145.80
  4. Step 4: Simplify right side
    664,912,459.80x = 173,191,457,680,059,584
  5. Step 5: Solve for x
    x = 173,191,457,680,059,584/664,912,459.80
  6. Step 6: Final answer
    x = 260,472,570.68

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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.