Home / 414,242,404,242.51-571,571,609,337.29-231,311,359,251.32

Finding the Fourth Proportional to 414,242,404,242.51, 571,571,609,337.29 and 231,311,359,251.32

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Solution

The fourth proportional to 414,242,404,242.51, 571,571,609,337.29 and 231,311,359,251.32 is: 319,163,379,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,242,404,242.51 : 571,571,609,337.29 = 231,311,359,251.32 : x
  2. Step 2: Convert to fraction form
    414,242,404,242.51/571,571,609,337.29 = 231,311,359,251.32/x
  3. Step 3: Cross multiply
    414,242,404,242.51x = 571,571,609,337.29 × 231,311,359,251.32
  4. Step 4: Simplify right side
    414,242,404,242.51x = 132,211,005,865,273,023,528,960
  5. Step 5: Solve for x
    x = 132,211,005,865,273,023,528,960/414,242,404,242.51
  6. Step 6: Final answer
    x = 319,163,379,970.81

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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.