Home / 1,034,857,561.85-1,552,286,342.78-830,784,217.85

Finding the Fourth Proportional to 1,034,857,561.85, 1,552,286,342.78 and 830,784,217.85

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Solution

The fourth proportional to 1,034,857,561.85, 1,552,286,342.78 and 830,784,217.85 is: 1,246,176,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,857,561.85 : 1,552,286,342.78 = 830,784,217.85 : x
  2. Step 2: Convert to fraction form
    1,034,857,561.85/1,552,286,342.78 = 830,784,217.85/x
  3. Step 3: Cross multiply
    1,034,857,561.85x = 1,552,286,342.78 × 830,784,217.85
  4. Step 4: Simplify right side
    1,034,857,561.85x = 1,289,614,995,165,719,296
  5. Step 5: Solve for x
    x = 1,289,614,995,165,719,296/1,034,857,561.85
  6. Step 6: Final answer
    x = 1,246,176,326.78

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Half scale
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Double scale
Find fourth proportional to 1,034,857,562.85, 1,552,286,344.28 and 830,784,218.85
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.