Home / 814,507,206.60-1,221,760,809.90-296,954,531.40

Finding the Fourth Proportional to 814,507,206.60, 1,221,760,809.90 and 296,954,531.40

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Solution

The fourth proportional to 814,507,206.60, 1,221,760,809.90 and 296,954,531.40 is: 445,431,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,507,206.60 : 1,221,760,809.90 = 296,954,531.40 : x
  2. Step 2: Convert to fraction form
    814,507,206.60/1,221,760,809.90 = 296,954,531.40/x
  3. Step 3: Cross multiply
    814,507,206.60x = 1,221,760,809.90 × 296,954,531.40
  4. Step 4: Simplify right side
    814,507,206.60x = 362,807,408,786,739,008
  5. Step 5: Solve for x
    x = 362,807,408,786,739,008/814,507,206.60
  6. Step 6: Final answer
    x = 445,431,797.10

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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.