Home / 741,760,763.80-1,112,641,145.70-189,062,123.80

Finding the Fourth Proportional to 741,760,763.80, 1,112,641,145.70 and 189,062,123.80

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Solution

The fourth proportional to 741,760,763.80, 1,112,641,145.70 and 189,062,123.80 is: 283,593,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,760,763.80 : 1,112,641,145.70 = 189,062,123.80 : x
  2. Step 2: Convert to fraction form
    741,760,763.80/1,112,641,145.70 = 189,062,123.80/x
  3. Step 3: Cross multiply
    741,760,763.80x = 1,112,641,145.70 × 189,062,123.80
  4. Step 4: Simplify right side
    741,760,763.80x = 210,358,298,033,307,264
  5. Step 5: Solve for x
    x = 210,358,298,033,307,264/741,760,763.80
  6. Step 6: Final answer
    x = 283,593,185.70

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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.