Home / 5,078,340,215.40-7,007,474,891.68-2,819,972,692.20

Finding the Fourth Proportional to 5,078,340,215.40, 7,007,474,891.68 and 2,819,972,692.20

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Solution

The fourth proportional to 5,078,340,215.40, 7,007,474,891.68 and 2,819,972,692.20 is: 3,891,209,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,340,215.40 : 7,007,474,891.68 = 2,819,972,692.20 : x
  2. Step 2: Convert to fraction form
    5,078,340,215.40/7,007,474,891.68 = 2,819,972,692.20/x
  3. Step 3: Cross multiply
    5,078,340,215.40x = 7,007,474,891.68 × 2,819,972,692.20
  4. Step 4: Simplify right side
    5,078,340,215.40x = 19,760,887,835,814,752,256
  5. Step 5: Solve for x
    x = 19,760,887,835,814,752,256/5,078,340,215.40
  6. Step 6: Final answer
    x = 3,891,209,922.46

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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.