Home / 1,385,890,637.22-2,078,835,979.84-336,621,770.77

Finding the Fourth Proportional to 1,385,890,637.22, 2,078,835,979.84 and 336,621,770.77

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Solution

The fourth proportional to 1,385,890,637.22, 2,078,835,979.84 and 336,621,770.77 is: 504,932,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,890,637.22 : 2,078,835,979.84 = 336,621,770.77 : x
  2. Step 2: Convert to fraction form
    1,385,890,637.22/2,078,835,979.84 = 336,621,770.77/x
  3. Step 3: Cross multiply
    1,385,890,637.22x = 2,078,835,979.84 × 336,621,770.77
  4. Step 4: Simplify right side
    1,385,890,637.22x = 699,781,448,666,067,072
  5. Step 5: Solve for x
    x = 699,781,448,666,067,072/1,385,890,637.22
  6. Step 6: Final answer
    x = 504,932,661.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.