Home / 427,802,478,437.75-590,381,578,489.95-235,121,481,036.83

Finding the Fourth Proportional to 427,802,478,437.75, 590,381,578,489.95 and 235,121,481,036.83

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Solution

The fourth proportional to 427,802,478,437.75, 590,381,578,489.95 and 235,121,481,036.83 is: 324,475,425,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,802,478,437.75 : 590,381,578,489.95 = 235,121,481,036.83 : x
  2. Step 2: Convert to fraction form
    427,802,478,437.75/590,381,578,489.95 = 235,121,481,036.83/x
  3. Step 3: Cross multiply
    427,802,478,437.75x = 590,381,578,489.95 × 235,121,481,036.83
  4. Step 4: Simplify right side
    427,802,478,437.75x = 138,811,391,111,418,527,875,072
  5. Step 5: Solve for x
    x = 138,811,391,111,418,527,875,072/427,802,478,437.75
  6. Step 6: Final answer
    x = 324,475,425,243.75

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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.