Home / 913,754,423.56-1,368,396,288.08-825,321,644.86

Finding the Fourth Proportional to 913,754,423.56, 1,368,396,288.08 and 825,321,644.86

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Solution

The fourth proportional to 913,754,423.56, 1,368,396,288.08 and 825,321,644.86 is: 1,235,963,456.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,754,423.56 : 1,368,396,288.08 = 825,321,644.86 : x
  2. Step 2: Convert to fraction form
    913,754,423.56/1,368,396,288.08 = 825,321,644.86/x
  3. Step 3: Cross multiply
    913,754,423.56x = 1,368,396,288.08 × 825,321,644.86
  4. Step 4: Simplify right side
    913,754,423.56x = 1,129,367,075,298,503,936
  5. Step 5: Solve for x
    x = 1,129,367,075,298,503,936/913,754,423.56
  6. Step 6: Final answer
    x = 1,235,963,456.02

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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.