Home / 814,462,069.20-1,221,693,103.80-201,046,294.95

Finding the Fourth Proportional to 814,462,069.20, 1,221,693,103.80 and 201,046,294.95

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Solution

The fourth proportional to 814,462,069.20, 1,221,693,103.80 and 201,046,294.95 is: 301,569,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,462,069.20 : 1,221,693,103.80 = 201,046,294.95 : x
  2. Step 2: Convert to fraction form
    814,462,069.20/1,221,693,103.80 = 201,046,294.95/x
  3. Step 3: Cross multiply
    814,462,069.20x = 1,221,693,103.80 × 201,046,294.95
  4. Step 4: Simplify right side
    814,462,069.20x = 245,616,872,084,955,744
  5. Step 5: Solve for x
    x = 245,616,872,084,955,744/814,462,069.20
  6. Step 6: Final answer
    x = 301,569,442.43

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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.