Home / 1,042,282,077.48-1,563,419,706.14-378,295,212.11

Finding the Fourth Proportional to 1,042,282,077.48, 1,563,419,706.14 and 378,295,212.11

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Solution

The fourth proportional to 1,042,282,077.48, 1,563,419,706.14 and 378,295,212.11 is: 567,441,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,282,077.48 : 1,563,419,706.14 = 378,295,212.11 : x
  2. Step 2: Convert to fraction form
    1,042,282,077.48/1,563,419,706.14 = 378,295,212.11/x
  3. Step 3: Cross multiply
    1,042,282,077.48x = 1,563,419,706.14 × 378,295,212.11
  4. Step 4: Simplify right side
    1,042,282,077.48x = 591,434,189,347,841,536
  5. Step 5: Solve for x
    x = 591,434,189,347,841,536/1,042,282,077.48
  6. Step 6: Final answer
    x = 567,441,580.48

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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.