Home / 12,387,072,042.80-18,580,608,064.20-11,125,792,401.20

Finding the Fourth Proportional to 12,387,072,042.80, 18,580,608,064.20 and 11,125,792,401.20

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Solution

The fourth proportional to 12,387,072,042.80, 18,580,608,064.20 and 11,125,792,401.20 is: 16,688,688,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,072,042.80 : 18,580,608,064.20 = 11,125,792,401.20 : x
  2. Step 2: Convert to fraction form
    12,387,072,042.80/18,580,608,064.20 = 11,125,792,401.20/x
  3. Step 3: Cross multiply
    12,387,072,042.80x = 18,580,608,064.20 × 11,125,792,401.20
  4. Step 4: Simplify right side
    12,387,072,042.80x = 206,723,988,010,351,820,800
  5. Step 5: Solve for x
    x = 206,723,988,010,351,820,800/12,387,072,042.80
  6. Step 6: Final answer
    x = 16,688,688,601.80

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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.