Home / 387,414,734.56-534,627,227.95-217,868,922.05

Finding the Fourth Proportional to 387,414,734.56, 534,627,227.95 and 217,868,922.05

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Solution

The fourth proportional to 387,414,734.56, 534,627,227.95 and 217,868,922.05 is: 300,656,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,414,734.56 : 534,627,227.95 = 217,868,922.05 : x
  2. Step 2: Convert to fraction form
    387,414,734.56/534,627,227.95 = 217,868,922.05/x
  3. Step 3: Cross multiply
    387,414,734.56x = 534,627,227.95 × 217,868,922.05
  4. Step 4: Simplify right side
    387,414,734.56x = 116,478,657,848,828,320
  5. Step 5: Solve for x
    x = 116,478,657,848,828,320/387,414,734.56
  6. Step 6: Final answer
    x = 300,656,241.13

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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.