Home / 2,859,372,654.40-3,945,201,435.12-1,669,257,743.11

Finding the Fourth Proportional to 2,859,372,654.40, 3,945,201,435.12 and 1,669,257,743.11

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Solution

The fourth proportional to 2,859,372,654.40, 3,945,201,435.12 and 1,669,257,743.11 is: 2,303,147,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,372,654.40 : 3,945,201,435.12 = 1,669,257,743.11 : x
  2. Step 2: Convert to fraction form
    2,859,372,654.40/3,945,201,435.12 = 1,669,257,743.11/x
  3. Step 3: Cross multiply
    2,859,372,654.40x = 3,945,201,435.12 × 1,669,257,743.11
  4. Step 4: Simplify right side
    2,859,372,654.40x = 6,585,558,043,702,744,064
  5. Step 5: Solve for x
    x = 6,585,558,043,702,744,064/2,859,372,654.40
  6. Step 6: Final answer
    x = 2,303,147,871.81

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1.5x scale

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.