Home / 412,468,620.80-569,195,346.12-226,829,636.96

Finding the Fourth Proportional to 412,468,620.80, 569,195,346.12 and 226,829,636.96

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Solution

The fourth proportional to 412,468,620.80, 569,195,346.12 and 226,829,636.96 is: 313,018,656.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,468,620.80 : 569,195,346.12 = 226,829,636.96 : x
  2. Step 2: Convert to fraction form
    412,468,620.80/569,195,346.12 = 226,829,636.96/x
  3. Step 3: Cross multiply
    412,468,620.80x = 569,195,346.12 × 226,829,636.96
  4. Step 4: Simplify right side
    412,468,620.80x = 129,110,373,719,721,152
  5. Step 5: Solve for x
    x = 129,110,373,719,721,152/412,468,620.80
  6. Step 6: Final answer
    x = 313,018,656.96

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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.