Home / 5,228,665,070.92-7,215,813,062.22-2,940,517,280.40

Finding the Fourth Proportional to 5,228,665,070.92, 7,215,813,062.22 and 2,940,517,280.40

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Solution

The fourth proportional to 5,228,665,070.92, 7,215,813,062.22 and 2,940,517,280.40 is: 4,058,057,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,665,070.92 : 7,215,813,062.22 = 2,940,517,280.40 : x
  2. Step 2: Convert to fraction form
    5,228,665,070.92/7,215,813,062.22 = 2,940,517,280.40/x
  3. Step 3: Cross multiply
    5,228,665,070.92x = 7,215,813,062.22 × 2,940,517,280.40
  4. Step 4: Simplify right side
    5,228,665,070.92x = 21,218,223,001,593,950,208
  5. Step 5: Solve for x
    x = 21,218,223,001,593,950,208/5,228,665,070.92
  6. Step 6: Final answer
    x = 4,058,057,403.52

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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.