Home / 1,311,055,918.20-1,966,583,877.30-1,168,204,577.40

Finding the Fourth Proportional to 1,311,055,918.20, 1,966,583,877.30 and 1,168,204,577.40

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Solution

The fourth proportional to 1,311,055,918.20, 1,966,583,877.30 and 1,168,204,577.40 is: 1,752,306,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,055,918.20 : 1,966,583,877.30 = 1,168,204,577.40 : x
  2. Step 2: Convert to fraction form
    1,311,055,918.20/1,966,583,877.30 = 1,168,204,577.40/x
  3. Step 3: Cross multiply
    1,311,055,918.20x = 1,966,583,877.30 × 1,168,204,577.40
  4. Step 4: Simplify right side
    1,311,055,918.20x = 2,297,372,287,302,899,968
  5. Step 5: Solve for x
    x = 2,297,372,287,302,899,968/1,311,055,918.20
  6. Step 6: Final answer
    x = 1,752,306,866.10

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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.