Home / 15,727,549,198.95-21,704,017,064.49-8,493,595,979.79

Finding the Fourth Proportional to 15,727,549,198.95, 21,704,017,064.49 and 8,493,595,979.79

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Solution

The fourth proportional to 15,727,549,198.95, 21,704,017,064.49 and 8,493,595,979.79 is: 11,721,162,003.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727,549,198.95 : 21,704,017,064.49 = 8,493,595,979.79 : x
  2. Step 2: Convert to fraction form
    15,727,549,198.95/21,704,017,064.49 = 8,493,595,979.79/x
  3. Step 3: Cross multiply
    15,727,549,198.95x = 21,704,017,064.49 × 8,493,595,979.79
  4. Step 4: Simplify right side
    15,727,549,198.95x = 184,345,152,084,245,839,872
  5. Step 5: Solve for x
    x = 184,345,152,084,245,839,872/15,727,549,198.95
  6. Step 6: Final answer
    x = 11,721,162,003.84

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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.