Home / 1,101,132,121.80-1,651,698,182.70-773,977,042.20

Finding the Fourth Proportional to 1,101,132,121.80, 1,651,698,182.70 and 773,977,042.20

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Solution

The fourth proportional to 1,101,132,121.80, 1,651,698,182.70 and 773,977,042.20 is: 1,160,965,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,132,121.80 : 1,651,698,182.70 = 773,977,042.20 : x
  2. Step 2: Convert to fraction form
    1,101,132,121.80/1,651,698,182.70 = 773,977,042.20/x
  3. Step 3: Cross multiply
    1,101,132,121.80x = 1,651,698,182.70 × 773,977,042.20
  4. Step 4: Simplify right side
    1,101,132,121.80x = 1,278,376,474,053,261,312
  5. Step 5: Solve for x
    x = 1,278,376,474,053,261,312/1,101,132,121.80
  6. Step 6: Final answer
    x = 1,160,965,563.30

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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.