Home / 1,056,384,178.20-1,584,576,267.30-511,180,824.60

Finding the Fourth Proportional to 1,056,384,178.20, 1,584,576,267.30 and 511,180,824.60

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Solution

The fourth proportional to 1,056,384,178.20, 1,584,576,267.30 and 511,180,824.60 is: 766,771,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,384,178.20 : 1,584,576,267.30 = 511,180,824.60 : x
  2. Step 2: Convert to fraction form
    1,056,384,178.20/1,584,576,267.30 = 511,180,824.60/x
  3. Step 3: Cross multiply
    1,056,384,178.20x = 1,584,576,267.30 × 511,180,824.60
  4. Step 4: Simplify right side
    1,056,384,178.20x = 810,005,002,960,003,968
  5. Step 5: Solve for x
    x = 810,005,002,960,003,968/1,056,384,178.20
  6. Step 6: Final answer
    x = 766,771,236.90

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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.