Home / 2,065,953,715.80-3,098,930,573.70-1,985,599,836.60

Finding the Fourth Proportional to 2,065,953,715.80, 3,098,930,573.70 and 1,985,599,836.60

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Solution

The fourth proportional to 2,065,953,715.80, 3,098,930,573.70 and 1,985,599,836.60 is: 2,978,399,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,953,715.80 : 3,098,930,573.70 = 1,985,599,836.60 : x
  2. Step 2: Convert to fraction form
    2,065,953,715.80/3,098,930,573.70 = 1,985,599,836.60/x
  3. Step 3: Cross multiply
    2,065,953,715.80x = 3,098,930,573.70 × 1,985,599,836.60
  4. Step 4: Simplify right side
    2,065,953,715.80x = 6,153,236,040,773,464,064
  5. Step 5: Solve for x
    x = 6,153,236,040,773,464,064/2,065,953,715.80
  6. Step 6: Final answer
    x = 2,978,399,754.90

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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.