Home / 427,802,478,438.28-590,381,578,490.75-235,121,481,037.40

Finding the Fourth Proportional to 427,802,478,438.28, 590,381,578,490.75 and 235,121,481,037.40

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Solution

The fourth proportional to 427,802,478,438.28, 590,381,578,490.75 and 235,121,481,037.40 is: 324,475,425,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,802,478,438.28 : 590,381,578,490.75 = 235,121,481,037.40 : x
  2. Step 2: Convert to fraction form
    427,802,478,438.28/590,381,578,490.75 = 235,121,481,037.40/x
  3. Step 3: Cross multiply
    427,802,478,438.28x = 590,381,578,490.75 × 235,121,481,037.40
  4. Step 4: Simplify right side
    427,802,478,438.28x = 138,811,391,111,943,151,419,392
  5. Step 5: Solve for x
    x = 138,811,391,111,943,151,419,392/427,802,478,438.28
  6. Step 6: Final answer
    x = 324,475,425,244.57

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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.