Home / 304,485,433.59-420,190,303.82-165,256,195.35

Finding the Fourth Proportional to 304,485,433.59, 420,190,303.82 and 165,256,195.35

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Solution

The fourth proportional to 304,485,433.59, 420,190,303.82 and 165,256,195.35 is: 228,053,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,485,433.59 : 420,190,303.82 = 165,256,195.35 : x
  2. Step 2: Convert to fraction form
    304,485,433.59/420,190,303.82 = 165,256,195.35/x
  3. Step 3: Cross multiply
    304,485,433.59x = 420,190,303.82 × 165,256,195.35
  4. Step 4: Simplify right side
    304,485,433.59x = 69,439,050,932,253,768
  5. Step 5: Solve for x
    x = 69,439,050,932,253,768/304,485,433.59
  6. Step 6: Final answer
    x = 228,053,769.65

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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.