Home / 1,263,276,002.60-1,894,914,003.90-957,165,986.60

Finding the Fourth Proportional to 1,263,276,002.60, 1,894,914,003.90 and 957,165,986.60

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Solution

The fourth proportional to 1,263,276,002.60, 1,894,914,003.90 and 957,165,986.60 is: 1,435,748,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,276,002.60 : 1,894,914,003.90 = 957,165,986.60 : x
  2. Step 2: Convert to fraction form
    1,263,276,002.60/1,894,914,003.90 = 957,165,986.60/x
  3. Step 3: Cross multiply
    1,263,276,002.60x = 1,894,914,003.90 × 957,165,986.60
  4. Step 4: Simplify right side
    1,263,276,002.60x = 1,813,747,232,065,099,776
  5. Step 5: Solve for x
    x = 1,813,747,232,065,099,776/1,263,276,002.60
  6. Step 6: Final answer
    x = 1,435,748,979.90

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Double scale
Find fourth proportional to 1,263,276,003.60, 1,894,914,005.40 and 957,165,987.60
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.