Home / 680,873,651.40-1,020,638,630.70-335,544,601.80

Finding the Fourth Proportional to 680,873,651.40, 1,020,638,630.70 and 335,544,601.80

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Solution

The fourth proportional to 680,873,651.40, 1,020,638,630.70 and 335,544,601.80 is: 502,985,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,873,651.40 : 1,020,638,630.70 = 335,544,601.80 : x
  2. Step 2: Convert to fraction form
    680,873,651.40/1,020,638,630.70 = 335,544,601.80/x
  3. Step 3: Cross multiply
    680,873,651.40x = 1,020,638,630.70 × 335,544,601.80
  4. Step 4: Simplify right side
    680,873,651.40x = 342,469,782,919,928,768
  5. Step 5: Solve for x
    x = 342,469,782,919,928,768/680,873,651.40
  6. Step 6: Final answer
    x = 502,985,806.86

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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.