Home / 427,802,478,437.78-590,381,578,490.06-235,121,481,036.90

Finding the Fourth Proportional to 427,802,478,437.78, 590,381,578,490.06 and 235,121,481,036.90

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Solution

The fourth proportional to 427,802,478,437.78, 590,381,578,490.06 and 235,121,481,036.90 is: 324,475,425,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,802,478,437.78 : 590,381,578,490.06 = 235,121,481,036.90 : x
  2. Step 2: Convert to fraction form
    427,802,478,437.78/590,381,578,490.06 = 235,121,481,036.90/x
  3. Step 3: Cross multiply
    427,802,478,437.78x = 590,381,578,490.06 × 235,121,481,036.90
  4. Step 4: Simplify right side
    427,802,478,437.78x = 138,811,391,111,485,737,402,368
  5. Step 5: Solve for x
    x = 138,811,391,111,485,737,402,368/427,802,478,437.78
  6. Step 6: Final answer
    x = 324,475,425,243.88

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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.