Home / 769,824,452.40-1,154,736,678.60-360,921,937.20

Finding the Fourth Proportional to 769,824,452.40, 1,154,736,678.60 and 360,921,937.20

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Solution

The fourth proportional to 769,824,452.40, 1,154,736,678.60 and 360,921,937.20 is: 541,382,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,824,452.40 : 1,154,736,678.60 = 360,921,937.20 : x
  2. Step 2: Convert to fraction form
    769,824,452.40/1,154,736,678.60 = 360,921,937.20/x
  3. Step 3: Cross multiply
    769,824,452.40x = 1,154,736,678.60 × 360,921,937.20
  4. Step 4: Simplify right side
    769,824,452.40x = 416,769,798,996,205,760
  5. Step 5: Solve for x
    x = 416,769,798,996,205,760/769,824,452.40
  6. Step 6: Final answer
    x = 541,382,905.80

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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.