Home / 345,134,207-475,969,766.78-269,790,488.84

Finding the Fourth Proportional to 345,134,207, 475,969,766.78 and 269,790,488.84

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Solution

The fourth proportional to 345,134,207, 475,969,766.78 and 269,790,488.84 is: 372,064,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,134,207 : 475,969,766.78 = 269,790,488.84 : x
  2. Step 2: Convert to fraction form
    345,134,207/475,969,766.78 = 269,790,488.84/x
  3. Step 3: Cross multiply
    345,134,207x = 475,969,766.78 × 269,790,488.84
  4. Step 4: Simplify right side
    345,134,207x = 128,412,116,052,636,976
  5. Step 5: Solve for x
    x = 128,412,116,052,636,976/345,134,207
  6. Step 6: Final answer
    x = 372,064,296.87

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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.