Home / 1,379,448,025.80-2,069,172,038.70-1,229,794,240.20

Finding the Fourth Proportional to 1,379,448,025.80, 2,069,172,038.70 and 1,229,794,240.20

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Solution

The fourth proportional to 1,379,448,025.80, 2,069,172,038.70 and 1,229,794,240.20 is: 1,844,691,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,448,025.80 : 2,069,172,038.70 = 1,229,794,240.20 : x
  2. Step 2: Convert to fraction form
    1,379,448,025.80/2,069,172,038.70 = 1,229,794,240.20/x
  3. Step 3: Cross multiply
    1,379,448,025.80x = 2,069,172,038.70 × 1,229,794,240.20
  4. Step 4: Simplify right side
    1,379,448,025.80x = 2,544,655,855,176,151,552
  5. Step 5: Solve for x
    x = 2,544,655,855,176,151,552/1,379,448,025.80
  6. Step 6: Final answer
    x = 1,844,691,360.30

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Double scale
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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.