Home / 436,965,710.40-655,364,584.80-130,267,828.80

Finding the Fourth Proportional to 436,965,710.40, 655,364,584.80 and 130,267,828.80

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Solution

The fourth proportional to 436,965,710.40, 655,364,584.80 and 130,267,828.80 is: 195,376,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,965,710.40 : 655,364,584.80 = 130,267,828.80 : x
  2. Step 2: Convert to fraction form
    436,965,710.40/655,364,584.80 = 130,267,828.80/x
  3. Step 3: Cross multiply
    436,965,710.40x = 655,364,584.80 × 130,267,828.80
  4. Step 4: Simplify right side
    436,965,710.40x = 85,372,921,534,309,472
  5. Step 5: Solve for x
    x = 85,372,921,534,309,472/436,965,710.40
  6. Step 6: Final answer
    x = 195,376,706.92

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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.