Home / 25,629,029,616.40-35,371,644,009.96-18,515,458,370.32

Finding the Fourth Proportional to 25,629,029,616.40, 35,371,644,009.96 and 18,515,458,370.32

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Solution

The fourth proportional to 25,629,029,616.40, 35,371,644,009.96 and 18,515,458,370.32 is: 25,553,921,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629,029,616.40 : 35,371,644,009.96 = 18,515,458,370.32 : x
  2. Step 2: Convert to fraction form
    25,629,029,616.40/35,371,644,009.96 = 18,515,458,370.32/x
  3. Step 3: Cross multiply
    25,629,029,616.40x = 35,371,644,009.96 × 18,515,458,370.32
  4. Step 4: Simplify right side
    25,629,029,616.40x = 654,922,202,156,193,153,024
  5. Step 5: Solve for x
    x = 654,922,202,156,193,153,024/25,629,029,616.40
  6. Step 6: Final answer
    x = 25,553,921,157.32

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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.