Home / 5,418,623,255.39-8,128,245,492.92-1,434,603,848.56

Finding the Fourth Proportional to 5,418,623,255.39, 8,128,245,492.92 and 1,434,603,848.56

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Solution

The fourth proportional to 5,418,623,255.39, 8,128,245,492.92 and 1,434,603,848.56 is: 2,151,988,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,623,255.39 : 8,128,245,492.92 = 1,434,603,848.56 : x
  2. Step 2: Convert to fraction form
    5,418,623,255.39/8,128,245,492.92 = 1,434,603,848.56/x
  3. Step 3: Cross multiply
    5,418,623,255.39x = 8,128,245,492.92 × 1,434,603,848.56
  4. Step 4: Simplify right side
    5,418,623,255.39x = 11,660,812,266,183,505,920
  5. Step 5: Solve for x
    x = 11,660,812,266,183,505,920/5,418,623,255.39
  6. Step 6: Final answer
    x = 2,151,988,008.13

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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.