Home / 412,468,619.80-569,195,344.74-226,829,635.96

Finding the Fourth Proportional to 412,468,619.80, 569,195,344.74 and 226,829,635.96

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Solution

The fourth proportional to 412,468,619.80, 569,195,344.74 and 226,829,635.96 is: 313,018,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,468,619.80 : 569,195,344.74 = 226,829,635.96 : x
  2. Step 2: Convert to fraction form
    412,468,619.80/569,195,344.74 = 226,829,635.96/x
  3. Step 3: Cross multiply
    412,468,619.80x = 569,195,344.74 × 226,829,635.96
  4. Step 4: Simplify right side
    412,468,619.80x = 129,110,372,837,500,912
  5. Step 5: Solve for x
    x = 129,110,372,837,500,912/412,468,619.80
  6. Step 6: Final answer
    x = 313,018,655.58

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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.