Home / 469,801,506.79-648,179,813.68-271,490,754.70

Finding the Fourth Proportional to 469,801,506.79, 648,179,813.68 and 271,490,754.70

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Solution

The fourth proportional to 469,801,506.79, 648,179,813.68 and 271,490,754.70 is: 374,572,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,801,506.79 : 648,179,813.68 = 271,490,754.70 : x
  2. Step 2: Convert to fraction form
    469,801,506.79/648,179,813.68 = 271,490,754.70/x
  3. Step 3: Cross multiply
    469,801,506.79x = 648,179,813.68 × 271,490,754.70
  4. Step 4: Simplify right side
    469,801,506.79x = 175,974,826,797,288,576
  5. Step 5: Solve for x
    x = 175,974,826,797,288,576/469,801,506.79
  6. Step 6: Final answer
    x = 374,572,716.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.