Home / 531,214,786.86-795,755,047.78-264,517,021.87

Finding the Fourth Proportional to 531,214,786.86, 795,755,047.78 and 264,517,021.87

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Solution

The fourth proportional to 531,214,786.86, 795,755,047.78 and 264,517,021.87 is: 396,244,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,214,786.86 : 795,755,047.78 = 264,517,021.87 : x
  2. Step 2: Convert to fraction form
    531,214,786.86/795,755,047.78 = 264,517,021.87/x
  3. Step 3: Cross multiply
    531,214,786.86x = 795,755,047.78 × 264,517,021.87
  4. Step 4: Simplify right side
    531,214,786.86x = 210,490,755,376,785,152
  5. Step 5: Solve for x
    x = 210,490,755,376,785,152/531,214,786.86
  6. Step 6: Final answer
    x = 396,244,156.95

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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.