Home / 814,462,481.70-1,221,693,722.55-201,046,707.45

Finding the Fourth Proportional to 814,462,481.70, 1,221,693,722.55 and 201,046,707.45

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Solution

The fourth proportional to 814,462,481.70, 1,221,693,722.55 and 201,046,707.45 is: 301,570,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,462,481.70 : 1,221,693,722.55 = 201,046,707.45 : x
  2. Step 2: Convert to fraction form
    814,462,481.70/1,221,693,722.55 = 201,046,707.45/x
  3. Step 3: Cross multiply
    814,462,481.70x = 1,221,693,722.55 × 201,046,707.45
  4. Step 4: Simplify right side
    814,462,481.70x = 245,617,500,431,011,296
  5. Step 5: Solve for x
    x = 245,617,500,431,011,296/814,462,481.70
  6. Step 6: Final answer
    x = 301,570,061.18

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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.