Home / 2,639,164,565.80-3,957,739,079.10-798,305,429.80

Finding the Fourth Proportional to 2,639,164,565.80, 3,957,739,079.10 and 798,305,429.80

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Solution

The fourth proportional to 2,639,164,565.80, 3,957,739,079.10 and 798,305,429.80 is: 1,197,153,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,164,565.80 : 3,957,739,079.10 = 798,305,429.80 : x
  2. Step 2: Convert to fraction form
    2,639,164,565.80/3,957,739,079.10 = 798,305,429.80/x
  3. Step 3: Cross multiply
    2,639,164,565.80x = 3,957,739,079.10 × 798,305,429.80
  4. Step 4: Simplify right side
    2,639,164,565.80x = 3,159,484,596,577,181,184
  5. Step 5: Solve for x
    x = 3,159,484,596,577,181,184/2,639,164,565.80
  6. Step 6: Final answer
    x = 1,197,153,310.38

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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.