Home / 1,871,144,474.64-2,581,766,560.17-1,107,809,512.98

Finding the Fourth Proportional to 1,871,144,474.64, 2,581,766,560.17 and 1,107,809,512.98

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Solution

The fourth proportional to 1,871,144,474.64, 2,581,766,560.17 and 1,107,809,512.98 is: 1,528,532,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,144,474.64 : 2,581,766,560.17 = 1,107,809,512.98 : x
  2. Step 2: Convert to fraction form
    1,871,144,474.64/2,581,766,560.17 = 1,107,809,512.98/x
  3. Step 3: Cross multiply
    1,871,144,474.64x = 2,581,766,560.17 × 1,107,809,512.98
  4. Step 4: Simplify right side
    1,871,144,474.64x = 2,860,105,555,649,977,856
  5. Step 5: Solve for x
    x = 2,860,105,555,649,977,856/1,871,144,474.64
  6. Step 6: Final answer
    x = 1,528,532,721.24

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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.