Home / 685,657,487,800.30-1,027,806,880,593.80-321,972,120,470.02

Finding the Fourth Proportional to 685,657,487,800.30, 1,027,806,880,593.80 and 321,972,120,470.02

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Solution

The fourth proportional to 685,657,487,800.30, 1,027,806,880,593.80 and 321,972,120,470.02 is: 482,639,169,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,657,487,800.30 : 1,027,806,880,593.80 = 321,972,120,470.02 : x
  2. Step 2: Convert to fraction form
    685,657,487,800.30/1,027,806,880,593.80 = 321,972,120,470.02/x
  3. Step 3: Cross multiply
    685,657,487,800.30x = 1,027,806,880,593.80 × 321,972,120,470.02
  4. Step 4: Simplify right side
    685,657,487,800.30x = 330,925,160,778,462,442,553,344
  5. Step 5: Solve for x
    x = 330,925,160,778,462,442,553,344/685,657,487,800.30
  6. Step 6: Final answer
    x = 482,639,169,944.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.