Home / 420,697,119.29-633,917,244.27-345,700,165.37

Finding the Fourth Proportional to 420,697,119.29, 633,917,244.27 and 345,700,165.37

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Solution

The fourth proportional to 420,697,119.29, 633,917,244.27 and 345,700,165.37 is: 520,909,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,697,119.29 : 633,917,244.27 = 345,700,165.37 : x
  2. Step 2: Convert to fraction form
    420,697,119.29/633,917,244.27 = 345,700,165.37/x
  3. Step 3: Cross multiply
    420,697,119.29x = 633,917,244.27 × 345,700,165.37
  4. Step 4: Simplify right side
    420,697,119.29x = 219,145,296,177,914,848
  5. Step 5: Solve for x
    x = 219,145,296,177,914,848/420,697,119.29
  6. Step 6: Final answer
    x = 520,909,904.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.