Home / 1,642,128,936.39-2,266,119,891.32-889,423,385.67

Finding the Fourth Proportional to 1,642,128,936.39, 2,266,119,891.32 and 889,423,385.67

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Solution

The fourth proportional to 1,642,128,936.39, 2,266,119,891.32 and 889,423,385.67 is: 1,227,394,500.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,128,936.39 : 2,266,119,891.32 = 889,423,385.67 : x
  2. Step 2: Convert to fraction form
    1,642,128,936.39/2,266,119,891.32 = 889,423,385.67/x
  3. Step 3: Cross multiply
    1,642,128,936.39x = 2,266,119,891.32 × 889,423,385.67
  4. Step 4: Simplify right side
    1,642,128,936.39x = 2,015,540,026,067,519,744
  5. Step 5: Solve for x
    x = 2,015,540,026,067,519,744/1,642,128,936.39
  6. Step 6: Final answer
    x = 1,227,394,500.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.