Home / 982,988,440.80-1,356,528,671.78-536,957,992.04

Finding the Fourth Proportional to 982,988,440.80, 1,356,528,671.78 and 536,957,992.04

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Solution

The fourth proportional to 982,988,440.80, 1,356,528,671.78 and 536,957,992.04 is: 741,004,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,988,440.80 : 1,356,528,671.78 = 536,957,992.04 : x
  2. Step 2: Convert to fraction form
    982,988,440.80/1,356,528,671.78 = 536,957,992.04/x
  3. Step 3: Cross multiply
    982,988,440.80x = 1,356,528,671.78 × 536,957,992.04
  4. Step 4: Simplify right side
    982,988,440.80x = 728,398,911,743,676,928
  5. Step 5: Solve for x
    x = 728,398,911,743,676,928/982,988,440.80
  6. Step 6: Final answer
    x = 741,004,554.59

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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.