Home / 1,036,964,140.80-1,555,247,145.60-309,976,569.60

Finding the Fourth Proportional to 1,036,964,140.80, 1,555,247,145.60 and 309,976,569.60

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Solution

The fourth proportional to 1,036,964,140.80, 1,555,247,145.60 and 309,976,569.60 is: 464,905,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,964,140.80 : 1,555,247,145.60 = 309,976,569.60 : x
  2. Step 2: Convert to fraction form
    1,036,964,140.80/1,555,247,145.60 = 309,976,569.60/x
  3. Step 3: Cross multiply
    1,036,964,140.80x = 1,555,247,145.60 × 309,976,569.60
  4. Step 4: Simplify right side
    1,036,964,140.80x = 482,090,175,073,279,744
  5. Step 5: Solve for x
    x = 482,090,175,073,279,744/1,036,964,140.80
  6. Step 6: Final answer
    x = 464,905,348.32

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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.