Home / 997,057,401.70-1,495,586,102.55-827,188,089.70

Finding the Fourth Proportional to 997,057,401.70, 1,495,586,102.55 and 827,188,089.70

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Solution

The fourth proportional to 997,057,401.70, 1,495,586,102.55 and 827,188,089.70 is: 1,240,782,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,057,401.70 : 1,495,586,102.55 = 827,188,089.70 : x
  2. Step 2: Convert to fraction form
    997,057,401.70/1,495,586,102.55 = 827,188,089.70/x
  3. Step 3: Cross multiply
    997,057,401.70x = 1,495,586,102.55 × 827,188,089.70
  4. Step 4: Simplify right side
    997,057,401.70x = 1,237,131,011,150,202,880
  5. Step 5: Solve for x
    x = 1,237,131,011,150,202,880/997,057,401.70
  6. Step 6: Final answer
    x = 1,240,782,134.55

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1.5x scale

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.