Home / 827,142,060.40-1,240,713,090.60-736,743,946.30

Finding the Fourth Proportional to 827,142,060.40, 1,240,713,090.60 and 736,743,946.30

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Solution

The fourth proportional to 827,142,060.40, 1,240,713,090.60 and 736,743,946.30 is: 1,105,115,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,142,060.40 : 1,240,713,090.60 = 736,743,946.30 : x
  2. Step 2: Convert to fraction form
    827,142,060.40/1,240,713,090.60 = 736,743,946.30/x
  3. Step 3: Cross multiply
    827,142,060.40x = 1,240,713,090.60 × 736,743,946.30
  4. Step 4: Simplify right side
    827,142,060.40x = 914,087,858,594,713,344
  5. Step 5: Solve for x
    x = 914,087,858,594,713,344/827,142,060.40
  6. Step 6: Final answer
    x = 1,105,115,919.45

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Half scale
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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.