Home / 2,972,815,811.78-4,102,747,222.88-1,634,941,685.66

Finding the Fourth Proportional to 2,972,815,811.78, 4,102,747,222.88 and 1,634,941,685.66

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Solution

The fourth proportional to 2,972,815,811.78, 4,102,747,222.88 and 1,634,941,685.66 is: 2,256,363,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,815,811.78 : 4,102,747,222.88 = 1,634,941,685.66 : x
  2. Step 2: Convert to fraction form
    2,972,815,811.78/4,102,747,222.88 = 1,634,941,685.66/x
  3. Step 3: Cross multiply
    2,972,815,811.78x = 4,102,747,222.88 × 1,634,941,685.66
  4. Step 4: Simplify right side
    2,972,815,811.78x = 6,707,752,460,395,720,704
  5. Step 5: Solve for x
    x = 6,707,752,460,395,720,704/2,972,815,811.78
  6. Step 6: Final answer
    x = 2,256,363,288.24

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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.