Home / 10,329,889,687.20-15,494,834,530.80-5,099,713,085.70

Finding the Fourth Proportional to 10,329,889,687.20, 15,494,834,530.80 and 5,099,713,085.70

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Solution

The fourth proportional to 10,329,889,687.20, 15,494,834,530.80 and 5,099,713,085.70 is: 7,649,569,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329,889,687.20 : 15,494,834,530.80 = 5,099,713,085.70 : x
  2. Step 2: Convert to fraction form
    10,329,889,687.20/15,494,834,530.80 = 5,099,713,085.70/x
  3. Step 3: Cross multiply
    10,329,889,687.20x = 15,494,834,530.80 × 5,099,713,085.70
  4. Step 4: Simplify right side
    10,329,889,687.20x = 79,019,210,417,476,976,640
  5. Step 5: Solve for x
    x = 79,019,210,417,476,976,640/10,329,889,687.20
  6. Step 6: Final answer
    x = 7,649,569,628.55

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Double scale
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Similar ratio
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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.