Home / 482,896,816.03-666,542,117.85-282,007,879.13

Finding the Fourth Proportional to 482,896,816.03, 666,542,117.85 and 282,007,879.13

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Solution

The fourth proportional to 482,896,816.03, 666,542,117.85 and 282,007,879.13 is: 389,255,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,896,816.03 : 666,542,117.85 = 282,007,879.13 : x
  2. Step 2: Convert to fraction form
    482,896,816.03/666,542,117.85 = 282,007,879.13/x
  3. Step 3: Cross multiply
    482,896,816.03x = 666,542,117.85 × 282,007,879.13
  4. Step 4: Simplify right side
    482,896,816.03x = 187,970,129,001,306,784
  5. Step 5: Solve for x
    x = 187,970,129,001,306,784/482,896,816.03
  6. Step 6: Final answer
    x = 389,255,266.88

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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.