Home / 637,770,418.80-880,123,172.76-344,414,960.88

Finding the Fourth Proportional to 637,770,418.80, 880,123,172.76 and 344,414,960.88

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Solution

The fourth proportional to 637,770,418.80, 880,123,172.76 and 344,414,960.88 is: 475,292,643.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,770,418.80 : 880,123,172.76 = 344,414,960.88 : x
  2. Step 2: Convert to fraction form
    637,770,418.80/880,123,172.76 = 344,414,960.88/x
  3. Step 3: Cross multiply
    637,770,418.80x = 880,123,172.76 × 344,414,960.88
  4. Step 4: Simplify right side
    637,770,418.80x = 303,127,588,115,716,864
  5. Step 5: Solve for x
    x = 303,127,588,115,716,864/637,770,418.80
  6. Step 6: Final answer
    x = 475,292,643.21

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1.5x scale

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.