Home / 587,140,726.05-810,257,405.15-345,747,233.07

Finding the Fourth Proportional to 587,140,726.05, 810,257,405.15 and 345,747,233.07

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Solution

The fourth proportional to 587,140,726.05, 810,257,405.15 and 345,747,233.07 is: 477,133,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,140,726.05 : 810,257,405.15 = 345,747,233.07 : x
  2. Step 2: Convert to fraction form
    587,140,726.05/810,257,405.15 = 345,747,233.07/x
  3. Step 3: Cross multiply
    587,140,726.05x = 810,257,405.15 × 345,747,233.07
  4. Step 4: Simplify right side
    587,140,726.05x = 280,144,255,903,361,728
  5. Step 5: Solve for x
    x = 280,144,255,903,361,728/587,140,726.05
  6. Step 6: Final answer
    x = 477,133,067.89

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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.