Home / 31,359,808,647.66-43,267,251,999.15-18,662,365,183.98

Finding the Fourth Proportional to 31,359,808,647.66, 43,267,251,999.15 and 18,662,365,183.98

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Solution

The fourth proportional to 31,359,808,647.66, 43,267,251,999.15 and 18,662,365,183.98 is: 25,748,539,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,359,808,647.66 : 43,267,251,999.15 = 18,662,365,183.98 : x
  2. Step 2: Convert to fraction form
    31,359,808,647.66/43,267,251,999.15 = 18,662,365,183.98/x
  3. Step 3: Cross multiply
    31,359,808,647.66x = 43,267,251,999.15 × 18,662,365,183.98
  4. Step 4: Simplify right side
    31,359,808,647.66x = 807,469,257,315,425,976,320
  5. Step 5: Solve for x
    x = 807,469,257,315,425,976,320/31,359,808,647.66
  6. Step 6: Final answer
    x = 25,748,539,042.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.