Home / 885,657,997.09-1,327,973,028.08-419,315,506.02

Finding the Fourth Proportional to 885,657,997.09, 1,327,973,028.08 and 419,315,506.02

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Solution

The fourth proportional to 885,657,997.09, 1,327,973,028.08 and 419,315,506.02 is: 628,729,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,657,997.09 : 1,327,973,028.08 = 419,315,506.02 : x
  2. Step 2: Convert to fraction form
    885,657,997.09/1,327,973,028.08 = 419,315,506.02/x
  3. Step 3: Cross multiply
    885,657,997.09x = 1,327,973,028.08 × 419,315,506.02
  4. Step 4: Simplify right side
    885,657,997.09x = 556,839,682,248,180,288
  5. Step 5: Solve for x
    x = 556,839,682,248,180,288/885,657,997.09
  6. Step 6: Final answer
    x = 628,729,920.67

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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.