Home / 427,802,478,438.05-590,381,578,490.40-235,121,481,037.15

Finding the Fourth Proportional to 427,802,478,438.05, 590,381,578,490.40 and 235,121,481,037.15

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Solution

The fourth proportional to 427,802,478,438.05, 590,381,578,490.40 and 235,121,481,037.15 is: 324,475,425,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,802,478,438.05 : 590,381,578,490.40 = 235,121,481,037.15 : x
  2. Step 2: Convert to fraction form
    427,802,478,438.05/590,381,578,490.40 = 235,121,481,037.15/x
  3. Step 3: Cross multiply
    427,802,478,438.05x = 590,381,578,490.40 × 235,121,481,037.15
  4. Step 4: Simplify right side
    427,802,478,438.05x = 138,811,391,111,713,270,005,760
  5. Step 5: Solve for x
    x = 138,811,391,111,713,270,005,760/427,802,478,438.05
  6. Step 6: Final answer
    x = 324,475,425,244.21

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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.