Home / 498,202,709.40-747,304,064.10-191,504,827.80

Finding the Fourth Proportional to 498,202,709.40, 747,304,064.10 and 191,504,827.80

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Solution

The fourth proportional to 498,202,709.40, 747,304,064.10 and 191,504,827.80 is: 287,257,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,202,709.40 : 747,304,064.10 = 191,504,827.80 : x
  2. Step 2: Convert to fraction form
    498,202,709.40/747,304,064.10 = 191,504,827.80/x
  3. Step 3: Cross multiply
    498,202,709.40x = 747,304,064.10 × 191,504,827.80
  4. Step 4: Simplify right side
    498,202,709.40x = 143,112,336,109,710,672
  5. Step 5: Solve for x
    x = 143,112,336,109,710,672/498,202,709.40
  6. Step 6: Final answer
    x = 287,257,241.70

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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.