Home / 1,941,840,305.45-2,911,854,885.87-1,008,912,348.35

Finding the Fourth Proportional to 1,941,840,305.45, 2,911,854,885.87 and 1,008,912,348.35

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Solution

The fourth proportional to 1,941,840,305.45, 2,911,854,885.87 and 1,008,912,348.35 is: 1,512,898,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,840,305.45 : 2,911,854,885.87 = 1,008,912,348.35 : x
  2. Step 2: Convert to fraction form
    1,941,840,305.45/2,911,854,885.87 = 1,008,912,348.35/x
  3. Step 3: Cross multiply
    1,941,840,305.45x = 2,911,854,885.87 × 1,008,912,348.35
  4. Step 4: Simplify right side
    1,941,840,305.45x = 2,937,806,350,957,522,944
  5. Step 5: Solve for x
    x = 2,937,806,350,957,522,944/1,941,840,305.45
  6. Step 6: Final answer
    x = 1,512,898,018.81

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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.