Home / 913,754,420.55-1,368,396,283.59-825,321,641.85

Finding the Fourth Proportional to 913,754,420.55, 1,368,396,283.59 and 825,321,641.85

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Solution

The fourth proportional to 913,754,420.55, 1,368,396,283.59 and 825,321,641.85 is: 1,235,963,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,754,420.55 : 1,368,396,283.59 = 825,321,641.85 : x
  2. Step 2: Convert to fraction form
    913,754,420.55/1,368,396,283.59 = 825,321,641.85/x
  3. Step 3: Cross multiply
    913,754,420.55x = 1,368,396,283.59 × 825,321,641.85
  4. Step 4: Simplify right side
    913,754,420.55x = 1,129,367,067,473,937,024
  5. Step 5: Solve for x
    x = 1,129,367,067,473,937,024/913,754,420.55
  6. Step 6: Final answer
    x = 1,235,963,451.53

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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.