Home / 1,515,608,911.80-2,273,413,367.70-1,025,832,886.20

Finding the Fourth Proportional to 1,515,608,911.80, 2,273,413,367.70 and 1,025,832,886.20

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Solution

The fourth proportional to 1,515,608,911.80, 2,273,413,367.70 and 1,025,832,886.20 is: 1,538,749,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,608,911.80 : 2,273,413,367.70 = 1,025,832,886.20 : x
  2. Step 2: Convert to fraction form
    1,515,608,911.80/2,273,413,367.70 = 1,025,832,886.20/x
  3. Step 3: Cross multiply
    1,515,608,911.80x = 2,273,413,367.70 × 1,025,832,886.20
  4. Step 4: Simplify right side
    1,515,608,911.80x = 2,332,142,196,513,352,704
  5. Step 5: Solve for x
    x = 2,332,142,196,513,352,704/1,515,608,911.80
  6. Step 6: Final answer
    x = 1,538,749,329.30

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Double scale
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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.