Home / 1,299,085,240.80-1,948,627,861.20-610,337,704.80

Finding the Fourth Proportional to 1,299,085,240.80, 1,948,627,861.20 and 610,337,704.80

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Solution

The fourth proportional to 1,299,085,240.80, 1,948,627,861.20 and 610,337,704.80 is: 915,506,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,085,240.80 : 1,948,627,861.20 = 610,337,704.80 : x
  2. Step 2: Convert to fraction form
    1,299,085,240.80/1,948,627,861.20 = 610,337,704.80/x
  3. Step 3: Cross multiply
    1,299,085,240.80x = 1,948,627,861.20 × 610,337,704.80
  4. Step 4: Simplify right side
    1,299,085,240.80x = 1,189,321,056,314,140,928
  5. Step 5: Solve for x
    x = 1,189,321,056,314,140,928/1,299,085,240.80
  6. Step 6: Final answer
    x = 915,506,557.20

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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.