Home / 1,299,085,230.80-1,948,627,846.20-610,337,694.80

Finding the Fourth Proportional to 1,299,085,230.80, 1,948,627,846.20 and 610,337,694.80

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Solution

The fourth proportional to 1,299,085,230.80, 1,948,627,846.20 and 610,337,694.80 is: 915,506,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,085,230.80 : 1,948,627,846.20 = 610,337,694.80 : x
  2. Step 2: Convert to fraction form
    1,299,085,230.80/1,948,627,846.20 = 610,337,694.80/x
  3. Step 3: Cross multiply
    1,299,085,230.80x = 1,948,627,846.20 × 610,337,694.80
  4. Step 4: Simplify right side
    1,299,085,230.80x = 1,189,321,027,672,796,928
  5. Step 5: Solve for x
    x = 1,189,321,027,672,796,928/1,299,085,230.80
  6. Step 6: Final answer
    x = 915,506,542.20

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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.