Home / 2,645,147,948.72-3,970,173,563.74-1,335,969,387.63

Finding the Fourth Proportional to 2,645,147,948.72, 3,970,173,563.74 and 1,335,969,387.63

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Solution

The fourth proportional to 2,645,147,948.72, 3,970,173,563.74 and 1,335,969,387.63 is: 2,005,192,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,147,948.72 : 3,970,173,563.74 = 1,335,969,387.63 : x
  2. Step 2: Convert to fraction form
    2,645,147,948.72/3,970,173,563.74 = 1,335,969,387.63/x
  3. Step 3: Cross multiply
    2,645,147,948.72x = 3,970,173,563.74 × 1,335,969,387.63
  4. Step 4: Simplify right side
    2,645,147,948.72x = 5,304,030,344,736,146,432
  5. Step 5: Solve for x
    x = 5,304,030,344,736,146,432/2,645,147,948.72
  6. Step 6: Final answer
    x = 2,005,192,317.24

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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.