Home / 1,100,042,890,820.80-1,650,063,947,861.90-294,188,887,071.78

Finding the Fourth Proportional to 1,100,042,890,820.80, 1,650,063,947,861.90 and 294,188,887,071.78

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Solution

The fourth proportional to 1,100,042,890,820.80, 1,650,063,947,861.90 and 294,188,887,071.78 is: 441,283,226,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,042,890,820.80 : 1,650,063,947,861.90 = 294,188,887,071.78 : x
  2. Step 2: Convert to fraction form
    1,100,042,890,820.80/1,650,063,947,861.90 = 294,188,887,071.78/x
  3. Step 3: Cross multiply
    1,100,042,890,820.80x = 1,650,063,947,861.90 × 294,188,887,071.78
  4. Step 4: Simplify right side
    1,100,042,890,820.80x = 485,430,476,418,759,979,433,984
  5. Step 5: Solve for x
    x = 485,430,476,418,759,979,433,984/1,100,042,890,820.80
  6. Step 6: Final answer
    x = 441,283,226,744.51

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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.