Home / 227,008,628.10-340,512,942.15-207,637,603.65

Finding the Fourth Proportional to 227,008,628.10, 340,512,942.15 and 207,637,603.65

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Solution

The fourth proportional to 227,008,628.10, 340,512,942.15 and 207,637,603.65 is: 311,456,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,008,628.10 : 340,512,942.15 = 207,637,603.65 : x
  2. Step 2: Convert to fraction form
    227,008,628.10/340,512,942.15 = 207,637,603.65/x
  3. Step 3: Cross multiply
    227,008,628.10x = 340,512,942.15 × 207,637,603.65
  4. Step 4: Simplify right side
    227,008,628.10x = 70,703,291,319,837,072
  5. Step 5: Solve for x
    x = 70,703,291,319,837,072/227,008,628.10
  6. Step 6: Final answer
    x = 311,456,405.48

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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.