Home / 1,679,618,009.40-2,519,427,014.10-1,155,829,759.80

Finding the Fourth Proportional to 1,679,618,009.40, 2,519,427,014.10 and 1,155,829,759.80

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Solution

The fourth proportional to 1,679,618,009.40, 2,519,427,014.10 and 1,155,829,759.80 is: 1,733,744,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,618,009.40 : 2,519,427,014.10 = 1,155,829,759.80 : x
  2. Step 2: Convert to fraction form
    1,679,618,009.40/2,519,427,014.10 = 1,155,829,759.80/x
  3. Step 3: Cross multiply
    1,679,618,009.40x = 2,519,427,014.10 × 1,155,829,759.80
  4. Step 4: Simplify right side
    1,679,618,009.40x = 2,912,028,720,540,833,792
  5. Step 5: Solve for x
    x = 2,912,028,720,540,833,792/1,679,618,009.40
  6. Step 6: Final answer
    x = 1,733,744,639.70

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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.