Home / 1,545,104,002.80-2,317,656,004.20-728,810,626.80

Finding the Fourth Proportional to 1,545,104,002.80, 2,317,656,004.20 and 728,810,626.80

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Solution

The fourth proportional to 1,545,104,002.80, 2,317,656,004.20 and 728,810,626.80 is: 1,093,215,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,104,002.80 : 2,317,656,004.20 = 728,810,626.80 : x
  2. Step 2: Convert to fraction form
    1,545,104,002.80/2,317,656,004.20 = 728,810,626.80/x
  3. Step 3: Cross multiply
    1,545,104,002.80x = 2,317,656,004.20 × 728,810,626.80
  4. Step 4: Simplify right side
    1,545,104,002.80x = 1,689,132,325,127,785,216
  5. Step 5: Solve for x
    x = 1,689,132,325,127,785,216/1,545,104,002.80
  6. Step 6: Final answer
    x = 1,093,215,940.20

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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.