Home / 10,353,366,219.70-15,530,049,329.55-7,047,378,046.90

Finding the Fourth Proportional to 10,353,366,219.70, 15,530,049,329.55 and 7,047,378,046.90

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Solution

The fourth proportional to 10,353,366,219.70, 15,530,049,329.55 and 7,047,378,046.90 is: 10,571,067,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353,366,219.70 : 15,530,049,329.55 = 7,047,378,046.90 : x
  2. Step 2: Convert to fraction form
    10,353,366,219.70/15,530,049,329.55 = 7,047,378,046.90/x
  3. Step 3: Cross multiply
    10,353,366,219.70x = 15,530,049,329.55 × 7,047,378,046.90
  4. Step 4: Simplify right side
    10,353,366,219.70x = 109,446,128,712,344,715,264
  5. Step 5: Solve for x
    x = 109,446,128,712,344,715,264/10,353,366,219.70
  6. Step 6: Final answer
    x = 10,571,067,070.35

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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.