Home / 3,605,407,279.80-5,408,110,919.70-3,278,252,200.20

Finding the Fourth Proportional to 3,605,407,279.80, 5,408,110,919.70 and 3,278,252,200.20

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Solution

The fourth proportional to 3,605,407,279.80, 5,408,110,919.70 and 3,278,252,200.20 is: 4,917,378,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605,407,279.80 : 5,408,110,919.70 = 3,278,252,200.20 : x
  2. Step 2: Convert to fraction form
    3,605,407,279.80/5,408,110,919.70 = 3,278,252,200.20/x
  3. Step 3: Cross multiply
    3,605,407,279.80x = 5,408,110,919.70 × 3,278,252,200.20
  4. Step 4: Simplify right side
    3,605,407,279.80x = 17,729,151,521,432,168,448
  5. Step 5: Solve for x
    x = 17,729,151,521,432,168,448/3,605,407,279.80
  6. Step 6: Final answer
    x = 4,917,378,300.30

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Double scale
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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.