Home / 304,485,433.85-420,190,304.16-165,256,195.61

Finding the Fourth Proportional to 304,485,433.85, 420,190,304.16 and 165,256,195.61

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Solution

The fourth proportional to 304,485,433.85, 420,190,304.16 and 165,256,195.61 is: 228,053,769.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,485,433.85 : 420,190,304.16 = 165,256,195.61 : x
  2. Step 2: Convert to fraction form
    304,485,433.85/420,190,304.16 = 165,256,195.61/x
  3. Step 3: Cross multiply
    304,485,433.85x = 420,190,304.16 × 165,256,195.61
  4. Step 4: Simplify right side
    304,485,433.85x = 69,439,051,097,690,368
  5. Step 5: Solve for x
    x = 69,439,051,097,690,368/304,485,433.85
  6. Step 6: Final answer
    x = 228,053,769.99

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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.