Home / 3,585,189,989.85-4,947,566,952.06-1,977,608,721.93

Finding the Fourth Proportional to 3,585,189,989.85, 4,947,566,952.06 and 1,977,608,721.93

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Solution

The fourth proportional to 3,585,189,989.85, 4,947,566,952.06 and 1,977,608,721.93 is: 2,729,102,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585,189,989.85 : 4,947,566,952.06 = 1,977,608,721.93 : x
  2. Step 2: Convert to fraction form
    3,585,189,989.85/4,947,566,952.06 = 1,977,608,721.93/x
  3. Step 3: Cross multiply
    3,585,189,989.85x = 4,947,566,952.06 × 1,977,608,721.93
  4. Step 4: Simplify right side
    3,585,189,989.85x = 9,784,351,556,726,482,944
  5. Step 5: Solve for x
    x = 9,784,351,556,726,482,944/3,585,189,989.85
  6. Step 6: Final answer
    x = 2,729,102,665.25

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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.