Home / 7,308,290,949.12-10,085,451,713.28-3,966,789,922.56

Finding the Fourth Proportional to 7,308,290,949.12, 10,085,451,713.28 and 3,966,789,922.56

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Solution

The fourth proportional to 7,308,290,949.12, 10,085,451,713.28 and 3,966,789,922.56 is: 5,474,175,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308,290,949.12 : 10,085,451,713.28 = 3,966,789,922.56 : x
  2. Step 2: Convert to fraction form
    7,308,290,949.12/10,085,451,713.28 = 3,966,789,922.56/x
  3. Step 3: Cross multiply
    7,308,290,949.12x = 10,085,451,713.28 × 3,966,789,922.56
  4. Step 4: Simplify right side
    7,308,290,949.12x = 40,006,868,220,704,595,968
  5. Step 5: Solve for x
    x = 40,006,868,220,704,595,968/7,308,290,949.12
  6. Step 6: Final answer
    x = 5,474,175,631.38

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Double scale
Find fourth proportional to 7,308,290,950.12, 10,085,451,714.66 and 3,966,789,923.56
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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.