Home / 10,628,928,060.40-15,943,392,090.60-5,669,945,801.20

Finding the Fourth Proportional to 10,628,928,060.40, 15,943,392,090.60 and 5,669,945,801.20

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Solution

The fourth proportional to 10,628,928,060.40, 15,943,392,090.60 and 5,669,945,801.20 is: 8,504,918,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628,928,060.40 : 15,943,392,090.60 = 5,669,945,801.20 : x
  2. Step 2: Convert to fraction form
    10,628,928,060.40/15,943,392,090.60 = 5,669,945,801.20/x
  3. Step 3: Cross multiply
    10,628,928,060.40x = 15,943,392,090.60 × 5,669,945,801.20
  4. Step 4: Simplify right side
    10,628,928,060.40x = 90,398,169,040,982,753,280
  5. Step 5: Solve for x
    x = 90,398,169,040,982,753,280/10,628,928,060.40
  6. Step 6: Final answer
    x = 8,504,918,701.80

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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.