Home / 929,195,445.15-1,393,793,167.73-851,711,347.35

Finding the Fourth Proportional to 929,195,445.15, 1,393,793,167.73 and 851,711,347.35

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Solution

The fourth proportional to 929,195,445.15, 1,393,793,167.73 and 851,711,347.35 is: 1,277,567,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,195,445.15 : 1,393,793,167.73 = 851,711,347.35 : x
  2. Step 2: Convert to fraction form
    929,195,445.15/1,393,793,167.73 = 851,711,347.35/x
  3. Step 3: Cross multiply
    929,195,445.15x = 1,393,793,167.73 × 851,711,347.35
  4. Step 4: Simplify right side
    929,195,445.15x = 1,187,109,456,810,284,288
  5. Step 5: Solve for x
    x = 1,187,109,456,810,284,288/929,195,445.15
  6. Step 6: Final answer
    x = 1,277,567,021.03

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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.