Home / 12,623,581,483.20-18,935,372,224.80-5,267,871,172.80

Finding the Fourth Proportional to 12,623,581,483.20, 18,935,372,224.80 and 5,267,871,172.80

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Solution

The fourth proportional to 12,623,581,483.20, 18,935,372,224.80 and 5,267,871,172.80 is: 7,901,806,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623,581,483.20 : 18,935,372,224.80 = 5,267,871,172.80 : x
  2. Step 2: Convert to fraction form
    12,623,581,483.20/18,935,372,224.80 = 5,267,871,172.80/x
  3. Step 3: Cross multiply
    12,623,581,483.20x = 18,935,372,224.80 × 5,267,871,172.80
  4. Step 4: Simplify right side
    12,623,581,483.20x = 99,749,101,489,261,723,648
  5. Step 5: Solve for x
    x = 99,749,101,489,261,723,648/12,623,581,483.20
  6. Step 6: Final answer
    x = 7,901,806,759.20

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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.