Home / 18,935,372,224.80-28,403,058,337.20-7,901,806,759.20

Finding the Fourth Proportional to 18,935,372,224.80, 28,403,058,337.20 and 7,901,806,759.20

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Solution

The fourth proportional to 18,935,372,224.80, 28,403,058,337.20 and 7,901,806,759.20 is: 11,852,710,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935,372,224.80 : 28,403,058,337.20 = 7,901,806,759.20 : x
  2. Step 2: Convert to fraction form
    18,935,372,224.80/28,403,058,337.20 = 7,901,806,759.20/x
  3. Step 3: Cross multiply
    18,935,372,224.80x = 28,403,058,337.20 × 7,901,806,759.20
  4. Step 4: Simplify right side
    18,935,372,224.80x = 224,435,478,350,838,857,728
  5. Step 5: Solve for x
    x = 224,435,478,350,838,857,728/18,935,372,224.80
  6. Step 6: Final answer
    x = 11,852,710,138.80

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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.