Home / 982,988,440.98-1,356,528,672.04-536,957,992.23

Finding the Fourth Proportional to 982,988,440.98, 1,356,528,672.04 and 536,957,992.23

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Solution

The fourth proportional to 982,988,440.98, 1,356,528,672.04 and 536,957,992.23 is: 741,004,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,988,440.98 : 1,356,528,672.04 = 536,957,992.23 : x
  2. Step 2: Convert to fraction form
    982,988,440.98/1,356,528,672.04 = 536,957,992.23/x
  3. Step 3: Cross multiply
    982,988,440.98x = 1,356,528,672.04 × 536,957,992.23
  4. Step 4: Simplify right side
    982,988,440.98x = 728,398,912,141,026,560
  5. Step 5: Solve for x
    x = 728,398,912,141,026,560/982,988,440.98
  6. Step 6: Final answer
    x = 741,004,554.86

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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.