Home / 680,546,629.20-1,020,819,943.80-335,665,477.20

Finding the Fourth Proportional to 680,546,629.20, 1,020,819,943.80 and 335,665,477.20

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Solution

The fourth proportional to 680,546,629.20, 1,020,819,943.80 and 335,665,477.20 is: 503,498,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,546,629.20 : 1,020,819,943.80 = 335,665,477.20 : x
  2. Step 2: Convert to fraction form
    680,546,629.20/1,020,819,943.80 = 335,665,477.20/x
  3. Step 3: Cross multiply
    680,546,629.20x = 1,020,819,943.80 × 335,665,477.20
  4. Step 4: Simplify right side
    680,546,629.20x = 342,654,013,570,904,128
  5. Step 5: Solve for x
    x = 342,654,013,570,904,128/680,546,629.20
  6. Step 6: Final answer
    x = 503,498,215.80

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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.