Home / 814,462,073.20-1,221,693,109.80-201,046,298.95

Finding the Fourth Proportional to 814,462,073.20, 1,221,693,109.80 and 201,046,298.95

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Solution

The fourth proportional to 814,462,073.20, 1,221,693,109.80 and 201,046,298.95 is: 301,569,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,462,073.20 : 1,221,693,109.80 = 201,046,298.95 : x
  2. Step 2: Convert to fraction form
    814,462,073.20/1,221,693,109.80 = 201,046,298.95/x
  3. Step 3: Cross multiply
    814,462,073.20x = 1,221,693,109.80 × 201,046,298.95
  4. Step 4: Simplify right side
    814,462,073.20x = 245,616,878,178,005,952
  5. Step 5: Solve for x
    x = 245,616,878,178,005,952/814,462,073.20
  6. Step 6: Final answer
    x = 301,569,448.43

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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.