Home / 865,754,324.38-1,194,708,959.95-469,268,801.27

Finding the Fourth Proportional to 865,754,324.38, 1,194,708,959.95 and 469,268,801.27

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Solution

The fourth proportional to 865,754,324.38, 1,194,708,959.95 and 469,268,801.27 is: 647,573,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,754,324.38 : 1,194,708,959.95 = 469,268,801.27 : x
  2. Step 2: Convert to fraction form
    865,754,324.38/1,194,708,959.95 = 469,268,801.27/x
  3. Step 3: Cross multiply
    865,754,324.38x = 1,194,708,959.95 × 469,268,801.27
  4. Step 4: Simplify right side
    865,754,324.38x = 560,639,641,507,216,192
  5. Step 5: Solve for x
    x = 560,639,641,507,216,192/865,754,324.38
  6. Step 6: Final answer
    x = 647,573,596.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.