Home / 18,282,678,908.80-25,204,592,820.72-12,262,260,169.12

Finding the Fourth Proportional to 18,282,678,908.80, 25,204,592,820.72 and 12,262,260,169.12

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Solution

The fourth proportional to 18,282,678,908.80, 25,204,592,820.72 and 12,262,260,169.12 is: 16,904,813,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282,678,908.80 : 25,204,592,820.72 = 12,262,260,169.12 : x
  2. Step 2: Convert to fraction form
    18,282,678,908.80/25,204,592,820.72 = 12,262,260,169.12/x
  3. Step 3: Cross multiply
    18,282,678,908.80x = 25,204,592,820.72 × 12,262,260,169.12
  4. Step 4: Simplify right side
    18,282,678,908.80x = 309,065,274,624,402,784,256
  5. Step 5: Solve for x
    x = 309,065,274,624,402,784,256/18,282,678,908.80
  6. Step 6: Final answer
    x = 16,904,813,357.28

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1.5x scale

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.