Home / 304,911,784.50-420,780,784.80-165,682,546.26

Finding the Fourth Proportional to 304,911,784.50, 420,780,784.80 and 165,682,546.26

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Solution

The fourth proportional to 304,911,784.50, 420,780,784.80 and 165,682,546.26 is: 228,643,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,911,784.50 : 420,780,784.80 = 165,682,546.26 : x
  2. Step 2: Convert to fraction form
    304,911,784.50/420,780,784.80 = 165,682,546.26/x
  3. Step 3: Cross multiply
    304,911,784.50x = 420,780,784.80 × 165,682,546.26
  4. Step 4: Simplify right side
    304,911,784.50x = 69,716,031,842,945,104
  5. Step 5: Solve for x
    x = 69,716,031,842,945,104/304,911,784.50
  6. Step 6: Final answer
    x = 228,643,284.34

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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.