Home / 8,275,988,936.80-12,413,983,405.20-7,378,066,223.20

Finding the Fourth Proportional to 8,275,988,936.80, 12,413,983,405.20 and 7,378,066,223.20

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Solution

The fourth proportional to 8,275,988,936.80, 12,413,983,405.20 and 7,378,066,223.20 is: 11,067,099,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275,988,936.80 : 12,413,983,405.20 = 7,378,066,223.20 : x
  2. Step 2: Convert to fraction form
    8,275,988,936.80/12,413,983,405.20 = 7,378,066,223.20/x
  3. Step 3: Cross multiply
    8,275,988,936.80x = 12,413,983,405.20 × 7,378,066,223.20
  4. Step 4: Simplify right side
    8,275,988,936.80x = 91,591,191,657,271,443,456
  5. Step 5: Solve for x
    x = 91,591,191,657,271,443,456/8,275,988,936.80
  6. Step 6: Final answer
    x = 11,067,099,334.80

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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.