Home / 5,418,623,255.89-8,128,245,493.67-1,434,603,849.06

Finding the Fourth Proportional to 5,418,623,255.89, 8,128,245,493.67 and 1,434,603,849.06

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Solution

The fourth proportional to 5,418,623,255.89, 8,128,245,493.67 and 1,434,603,849.06 is: 2,151,988,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,623,255.89 : 8,128,245,493.67 = 1,434,603,849.06 : x
  2. Step 2: Convert to fraction form
    5,418,623,255.89/8,128,245,493.67 = 1,434,603,849.06/x
  3. Step 3: Cross multiply
    5,418,623,255.89x = 8,128,245,493.67 × 1,434,603,849.06
  4. Step 4: Simplify right side
    5,418,623,255.89x = 11,660,812,271,316,408,320
  5. Step 5: Solve for x
    x = 11,660,812,271,316,408,320/5,418,623,255.89
  6. Step 6: Final answer
    x = 2,151,988,008.88

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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.