Home / 20,697,768,112.20-31,046,652,168.30-11,377,914,851.40

Finding the Fourth Proportional to 20,697,768,112.20, 31,046,652,168.30 and 11,377,914,851.40

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Solution

The fourth proportional to 20,697,768,112.20, 31,046,652,168.30 and 11,377,914,851.40 is: 17,066,872,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,768,112.20 : 31,046,652,168.30 = 11,377,914,851.40 : x
  2. Step 2: Convert to fraction form
    20,697,768,112.20/31,046,652,168.30 = 11,377,914,851.40/x
  3. Step 3: Cross multiply
    20,697,768,112.20x = 31,046,652,168.30 × 11,377,914,851.40
  4. Step 4: Simplify right side
    20,697,768,112.20x = 353,246,164,791,950,573,568
  5. Step 5: Solve for x
    x = 353,246,164,791,950,573,568/20,697,768,112.20
  6. Step 6: Final answer
    x = 17,066,872,277.10

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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.