Home / 990,873,502.40-1,486,263,014.40-335,760,276.80

Finding the Fourth Proportional to 990,873,502.40, 1,486,263,014.40 and 335,760,276.80

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Solution

The fourth proportional to 990,873,502.40, 1,486,263,014.40 and 335,760,276.80 is: 503,624,408.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,873,502.40 : 1,486,263,014.40 = 335,760,276.80 : x
  2. Step 2: Convert to fraction form
    990,873,502.40/1,486,263,014.40 = 335,760,276.80/x
  3. Step 3: Cross multiply
    990,873,502.40x = 1,486,263,014.40 × 335,760,276.80
  4. Step 4: Simplify right side
    990,873,502.40x = 499,028,081,112,546,432
  5. Step 5: Solve for x
    x = 499,028,081,112,546,432/990,873,502.40
  6. Step 6: Final answer
    x = 503,624,408.06

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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.