Home / 18,638,736,792.81-27,958,209,707.30-6,217,033,263.45

Finding the Fourth Proportional to 18,638,736,792.81, 27,958,209,707.30 and 6,217,033,263.45

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Solution

The fourth proportional to 18,638,736,792.81, 27,958,209,707.30 and 6,217,033,263.45 is: 9,325,584,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,736,792.81 : 27,958,209,707.30 = 6,217,033,263.45 : x
  2. Step 2: Convert to fraction form
    18,638,736,792.81/27,958,209,707.30 = 6,217,033,263.45/x
  3. Step 3: Cross multiply
    18,638,736,792.81x = 27,958,209,707.30 × 6,217,033,263.45
  4. Step 4: Simplify right side
    18,638,736,792.81x = 173,817,119,736,794,775,552
  5. Step 5: Solve for x
    x = 173,817,119,736,794,775,552/18,638,736,792.81
  6. Step 6: Final answer
    x = 9,325,584,757.65

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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.