Home / 426,492,022.77-639,738,034.16-349,007,924.97

Finding the Fourth Proportional to 426,492,022.77, 639,738,034.16 and 349,007,924.97

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Solution

The fourth proportional to 426,492,022.77, 639,738,034.16 and 349,007,924.97 is: 523,511,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,492,022.77 : 639,738,034.16 = 349,007,924.97 : x
  2. Step 2: Convert to fraction form
    426,492,022.77/639,738,034.16 = 349,007,924.97/x
  3. Step 3: Cross multiply
    426,492,022.77x = 639,738,034.16 × 349,007,924.97
  4. Step 4: Simplify right side
    426,492,022.77x = 223,273,643,824,823,552
  5. Step 5: Solve for x
    x = 223,273,643,824,823,552/426,492,022.77
  6. Step 6: Final answer
    x = 523,511,887.46

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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.