Home / 426,492,022.83-639,738,034.24-349,007,925.03

Finding the Fourth Proportional to 426,492,022.83, 639,738,034.24 and 349,007,925.03

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Solution

The fourth proportional to 426,492,022.83, 639,738,034.24 and 349,007,925.03 is: 523,511,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,492,022.83 : 639,738,034.24 = 349,007,925.03 : x
  2. Step 2: Convert to fraction form
    426,492,022.83/639,738,034.24 = 349,007,925.03/x
  3. Step 3: Cross multiply
    426,492,022.83x = 639,738,034.24 × 349,007,925.03
  4. Step 4: Simplify right side
    426,492,022.83x = 223,273,643,892,873,472
  5. Step 5: Solve for x
    x = 223,273,643,892,873,472/426,492,022.83
  6. Step 6: Final answer
    x = 523,511,887.54

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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.