Home / 289,759,086.80-434,659,625.40-174,495,438.80

Finding the Fourth Proportional to 289,759,086.80, 434,659,625.40 and 174,495,438.80

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Solution

The fourth proportional to 289,759,086.80, 434,659,625.40 and 174,495,438.80 is: 261,755,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,759,086.80 : 434,659,625.40 = 174,495,438.80 : x
  2. Step 2: Convert to fraction form
    289,759,086.80/434,659,625.40 = 174,495,438.80/x
  3. Step 3: Cross multiply
    289,759,086.80x = 434,659,625.40 × 174,495,438.80
  4. Step 4: Simplify right side
    289,759,086.80x = 75,846,122,062,816,624
  5. Step 5: Solve for x
    x = 75,846,122,062,816,624/289,759,086.80
  6. Step 6: Final answer
    x = 261,755,801.69

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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.