Home / 345,954,056,842.45-518,741,911,312.55-274,701,277,102.88

Finding the Fourth Proportional to 345,954,056,842.45, 518,741,911,312.55 and 274,701,277,102.88

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Solution

The fourth proportional to 345,954,056,842.45, 518,741,911,312.55 and 274,701,277,102.88 is: 411,901,704,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,954,056,842.45 : 518,741,911,312.55 = 274,701,277,102.88 : x
  2. Step 2: Convert to fraction form
    345,954,056,842.45/518,741,911,312.55 = 274,701,277,102.88/x
  3. Step 3: Cross multiply
    345,954,056,842.45x = 518,741,911,312.55 × 274,701,277,102.88
  4. Step 4: Simplify right side
    345,954,056,842.45x = 142,499,065,524,346,400,276,480
  5. Step 5: Solve for x
    x = 142,499,065,524,346,400,276,480/345,954,056,842.45
  6. Step 6: Final answer
    x = 411,901,704,015.11

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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.