Home / 3,108,472,642.20-4,662,708,963.30-1,267,221,595.80

Finding the Fourth Proportional to 3,108,472,642.20, 4,662,708,963.30 and 1,267,221,595.80

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Solution

The fourth proportional to 3,108,472,642.20, 4,662,708,963.30 and 1,267,221,595.80 is: 1,900,832,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,472,642.20 : 4,662,708,963.30 = 1,267,221,595.80 : x
  2. Step 2: Convert to fraction form
    3,108,472,642.20/4,662,708,963.30 = 1,267,221,595.80/x
  3. Step 3: Cross multiply
    3,108,472,642.20x = 4,662,708,963.30 × 1,267,221,595.80
  4. Step 4: Simplify right side
    3,108,472,642.20x = 5,908,685,493,223,989,248
  5. Step 5: Solve for x
    x = 5,908,685,493,223,989,248/3,108,472,642.20
  6. Step 6: Final answer
    x = 1,900,832,393.70

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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.