Home / 412,972,093.84-570,021,835.80-269,938,634.80

Finding the Fourth Proportional to 412,972,093.84, 570,021,835.80 and 269,938,634.80

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Solution

The fourth proportional to 412,972,093.84, 570,021,835.80 and 269,938,634.80 is: 372,593,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,972,093.84 : 570,021,835.80 = 269,938,634.80 : x
  2. Step 2: Convert to fraction form
    412,972,093.84/570,021,835.80 = 269,938,634.80/x
  3. Step 3: Cross multiply
    412,972,093.84x = 570,021,835.80 × 269,938,634.80
  4. Step 4: Simplify right side
    412,972,093.84x = 153,870,916,162,041,760
  5. Step 5: Solve for x
    x = 153,870,916,162,041,760/412,972,093.84
  6. Step 6: Final answer
    x = 372,593,980.22

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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.