Home / 20,716,451,999.40-31,074,677,999.10-7,628,548,204.20

Finding the Fourth Proportional to 20,716,451,999.40, 31,074,677,999.10 and 7,628,548,204.20

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Solution

The fourth proportional to 20,716,451,999.40, 31,074,677,999.10 and 7,628,548,204.20 is: 11,442,822,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716,451,999.40 : 31,074,677,999.10 = 7,628,548,204.20 : x
  2. Step 2: Convert to fraction form
    20,716,451,999.40/31,074,677,999.10 = 7,628,548,204.20/x
  3. Step 3: Cross multiply
    20,716,451,999.40x = 31,074,677,999.10 × 7,628,548,204.20
  4. Step 4: Simplify right side
    20,716,451,999.40x = 237,054,679,046,127,550,464
  5. Step 5: Solve for x
    x = 237,054,679,046,127,550,464/20,716,451,999.40
  6. Step 6: Final answer
    x = 11,442,822,306.30

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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.