Home / 1,241,187,000.60-1,861,780,500.90-550,360,939.80

Finding the Fourth Proportional to 1,241,187,000.60, 1,861,780,500.90 and 550,360,939.80

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Solution

The fourth proportional to 1,241,187,000.60, 1,861,780,500.90 and 550,360,939.80 is: 825,541,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,187,000.60 : 1,861,780,500.90 = 550,360,939.80 : x
  2. Step 2: Convert to fraction form
    1,241,187,000.60/1,861,780,500.90 = 550,360,939.80/x
  3. Step 3: Cross multiply
    1,241,187,000.60x = 1,861,780,500.90 × 550,360,939.80
  4. Step 4: Simplify right side
    1,241,187,000.60x = 1,024,651,266,176,638,720
  5. Step 5: Solve for x
    x = 1,024,651,266,176,638,720/1,241,187,000.60
  6. Step 6: Final answer
    x = 825,541,409.70

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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.