Home / 1,661,469,219.57-2,492,208,050.47-678,895,760.24

Finding the Fourth Proportional to 1,661,469,219.57, 2,492,208,050.47 and 678,895,760.24

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Solution

The fourth proportional to 1,661,469,219.57, 2,492,208,050.47 and 678,895,760.24 is: 1,018,345,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,469,219.57 : 2,492,208,050.47 = 678,895,760.24 : x
  2. Step 2: Convert to fraction form
    1,661,469,219.57/2,492,208,050.47 = 678,895,760.24/x
  3. Step 3: Cross multiply
    1,661,469,219.57x = 2,492,208,050.47 × 678,895,760.24
  4. Step 4: Simplify right side
    1,661,469,219.57x = 1,691,949,479,099,068,416
  5. Step 5: Solve for x
    x = 1,691,949,479,099,068,416/1,661,469,219.57
  6. Step 6: Final answer
    x = 1,018,345,365.15

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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.