Home / 15,699,863,276.13-21,667,643,001.09-8,926,696,718.21

Finding the Fourth Proportional to 15,699,863,276.13, 21,667,643,001.09 and 8,926,696,718.21

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Solution

The fourth proportional to 15,699,863,276.13, 21,667,643,001.09 and 8,926,696,718.21 is: 12,319,882,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699,863,276.13 : 21,667,643,001.09 = 8,926,696,718.21 : x
  2. Step 2: Convert to fraction form
    15,699,863,276.13/21,667,643,001.09 = 8,926,696,718.21/x
  3. Step 3: Cross multiply
    15,699,863,276.13x = 21,667,643,001.09 × 8,926,696,718.21
  4. Step 4: Simplify right side
    15,699,863,276.13x = 193,420,477,669,067,653,120
  5. Step 5: Solve for x
    x = 193,420,477,669,067,653,120/15,699,863,276.13
  6. Step 6: Final answer
    x = 12,319,882,935.74

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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.