Home / 482,896,834.52-666,542,143.55-282,007,897.79

Finding the Fourth Proportional to 482,896,834.52, 666,542,143.55 and 282,007,897.79

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Solution

The fourth proportional to 482,896,834.52, 666,542,143.55 and 282,007,897.79 is: 389,255,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,896,834.52 : 666,542,143.55 = 282,007,897.79 : x
  2. Step 2: Convert to fraction form
    482,896,834.52/666,542,143.55 = 282,007,897.79/x
  3. Step 3: Cross multiply
    482,896,834.52x = 666,542,143.55 × 282,007,897.79
  4. Step 4: Simplify right side
    482,896,834.52x = 187,970,148,688,348,224
  5. Step 5: Solve for x
    x = 187,970,148,688,348,224/482,896,834.52
  6. Step 6: Final answer
    x = 389,255,292.75

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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.