Home / 3,868,182,629.85-5,338,040,966.70-2,151,520,210.65

Finding the Fourth Proportional to 3,868,182,629.85, 5,338,040,966.70 and 2,151,520,210.65

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Solution

The fourth proportional to 3,868,182,629.85, 5,338,040,966.70 and 2,151,520,210.65 is: 2,969,069,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,182,629.85 : 5,338,040,966.70 = 2,151,520,210.65 : x
  2. Step 2: Convert to fraction form
    3,868,182,629.85/5,338,040,966.70 = 2,151,520,210.65/x
  3. Step 3: Cross multiply
    3,868,182,629.85x = 5,338,040,966.70 × 2,151,520,210.65
  4. Step 4: Simplify right side
    3,868,182,629.85x = 11,484,903,025,132,713,984
  5. Step 5: Solve for x
    x = 11,484,903,025,132,713,984/3,868,182,629.85
  6. Step 6: Final answer
    x = 2,969,069,489.25

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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.