Home / 7,221,832,521,639.40-9,965,828,092,265-3,929,593,280,208.10

Finding the Fourth Proportional to 7,221,832,521,639.40, 9,965,828,092,265 and 3,929,593,280,208.10

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Solution

The fourth proportional to 7,221,832,521,639.40, 9,965,828,092,265 and 3,929,593,280,208.10 is: 5,422,675,060,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,832,521,639.40 : 9,965,828,092,265 = 3,929,593,280,208.10 : x
  2. Step 2: Convert to fraction form
    7,221,832,521,639.40/9,965,828,092,265 = 3,929,593,280,208.10/x
  3. Step 3: Cross multiply
    7,221,832,521,639.40x = 9,965,828,092,265 × 3,929,593,280,208.10
  4. Step 4: Simplify right side
    7,221,832,521,639.40x = 39,161,651,103,073,652,233,469,952
  5. Step 5: Solve for x
    x = 39,161,651,103,073,652,233,469,952/7,221,832,521,639.40
  6. Step 6: Final answer
    x = 5,422,675,060,066.85

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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.