Home / 8,077,341,616.80-12,116,012,425.20-5,320,083,991.20

Finding the Fourth Proportional to 8,077,341,616.80, 12,116,012,425.20 and 5,320,083,991.20

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Solution

The fourth proportional to 8,077,341,616.80, 12,116,012,425.20 and 5,320,083,991.20 is: 7,980,125,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077,341,616.80 : 12,116,012,425.20 = 5,320,083,991.20 : x
  2. Step 2: Convert to fraction form
    8,077,341,616.80/12,116,012,425.20 = 5,320,083,991.20/x
  3. Step 3: Cross multiply
    8,077,341,616.80x = 12,116,012,425.20 × 5,320,083,991.20
  4. Step 4: Simplify right side
    8,077,341,616.80x = 64,458,203,740,486,811,648
  5. Step 5: Solve for x
    x = 64,458,203,740,486,811,648/8,077,341,616.80
  6. Step 6: Final answer
    x = 7,980,125,986.80

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1.5x scale

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.