Home / 18,638,736,791.31-27,958,209,705.05-6,217,033,261.95

Finding the Fourth Proportional to 18,638,736,791.31, 27,958,209,705.05 and 6,217,033,261.95

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Solution

The fourth proportional to 18,638,736,791.31, 27,958,209,705.05 and 6,217,033,261.95 is: 9,325,584,755.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,736,791.31 : 27,958,209,705.05 = 6,217,033,261.95 : x
  2. Step 2: Convert to fraction form
    18,638,736,791.31/27,958,209,705.05 = 6,217,033,261.95/x
  3. Step 3: Cross multiply
    18,638,736,791.31x = 27,958,209,705.05 × 6,217,033,261.95
  4. Step 4: Simplify right side
    18,638,736,791.31x = 173,817,119,680,838,041,600
  5. Step 5: Solve for x
    x = 173,817,119,680,838,041,600/18,638,736,791.31
  6. Step 6: Final answer
    x = 9,325,584,755.39

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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.