Home / 838,255,825.64-1,148,414,578.45-806,838,197

Finding the Fourth Proportional to 838,255,825.64, 1,148,414,578.45 and 806,838,197

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Solution

The fourth proportional to 838,255,825.64, 1,148,414,578.45 and 806,838,197 is: 1,105,372,273.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,255,825.64 : 1,148,414,578.45 = 806,838,197 : x
  2. Step 2: Convert to fraction form
    838,255,825.64/1,148,414,578.45 = 806,838,197/x
  3. Step 3: Cross multiply
    838,255,825.64x = 1,148,414,578.45 × 806,838,197
  4. Step 4: Simplify right side
    838,255,825.64x = 926,584,747,885,113,088
  5. Step 5: Solve for x
    x = 926,584,747,885,113,088/838,255,825.64
  6. Step 6: Final answer
    x = 1,105,372,273.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.