Home / 982,988,439.79-1,356,528,670.39-536,957,991.04

Finding the Fourth Proportional to 982,988,439.79, 1,356,528,670.39 and 536,957,991.04

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Solution

The fourth proportional to 982,988,439.79, 1,356,528,670.39 and 536,957,991.04 is: 741,004,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,988,439.79 : 1,356,528,670.39 = 536,957,991.04 : x
  2. Step 2: Convert to fraction form
    982,988,439.79/1,356,528,670.39 = 536,957,991.04/x
  3. Step 3: Cross multiply
    982,988,439.79x = 1,356,528,670.39 × 536,957,991.04
  4. Step 4: Simplify right side
    982,988,439.79x = 728,398,909,640,776,704
  5. Step 5: Solve for x
    x = 728,398,909,640,776,704/982,988,439.79
  6. Step 6: Final answer
    x = 741,004,553.21

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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.