Home / 20,697,768,114.70-31,046,652,172.05-11,377,914,853.90

Finding the Fourth Proportional to 20,697,768,114.70, 31,046,652,172.05 and 11,377,914,853.90

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Solution

The fourth proportional to 20,697,768,114.70, 31,046,652,172.05 and 11,377,914,853.90 is: 17,066,872,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,768,114.70 : 31,046,652,172.05 = 11,377,914,853.90 : x
  2. Step 2: Convert to fraction form
    20,697,768,114.70/31,046,652,172.05 = 11,377,914,853.90/x
  3. Step 3: Cross multiply
    20,697,768,114.70x = 31,046,652,172.05 × 11,377,914,853.90
  4. Step 4: Simplify right side
    20,697,768,114.70x = 353,246,164,912,234,364,928
  5. Step 5: Solve for x
    x = 353,246,164,912,234,364,928/20,697,768,114.70
  6. Step 6: Final answer
    x = 17,066,872,280.85

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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.