Home / 432,571,250.92-648,921,998.94-125,822,980.84

Finding the Fourth Proportional to 432,571,250.92, 648,921,998.94 and 125,822,980.84

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Solution

The fourth proportional to 432,571,250.92, 648,921,998.94 and 125,822,980.84 is: 188,753,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,571,250.92 : 648,921,998.94 = 125,822,980.84 : x
  2. Step 2: Convert to fraction form
    432,571,250.92/648,921,998.94 = 125,822,980.84/x
  3. Step 3: Cross multiply
    432,571,250.92x = 648,921,998.94 × 125,822,980.84
  4. Step 4: Simplify right side
    432,571,250.92x = 81,649,300,239,282,128
  5. Step 5: Solve for x
    x = 81,649,300,239,282,128/432,571,250.92
  6. Step 6: Final answer
    x = 188,753,413.61

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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.