Home / 15,933,389,214-21,990,005,218.02-9,068,454,951.34

Finding the Fourth Proportional to 15,933,389,214, 21,990,005,218.02 and 9,068,454,951.34

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Solution

The fourth proportional to 15,933,389,214, 21,990,005,218.02 and 9,068,454,951.34 is: 12,515,565,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933,389,214 : 21,990,005,218.02 = 9,068,454,951.34 : x
  2. Step 2: Convert to fraction form
    15,933,389,214/21,990,005,218.02 = 9,068,454,951.34/x
  3. Step 3: Cross multiply
    15,933,389,214x = 21,990,005,218.02 × 9,068,454,951.34
  4. Step 4: Simplify right side
    15,933,389,214x = 199,415,371,699,345,915,904
  5. Step 5: Solve for x
    x = 199,415,371,699,345,915,904/15,933,389,214
  6. Step 6: Final answer
    x = 12,515,565,208.44

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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.