Home / 15,699,863,277.63-21,667,643,003.16-8,926,696,719.71

Finding the Fourth Proportional to 15,699,863,277.63, 21,667,643,003.16 and 8,926,696,719.71

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Solution

The fourth proportional to 15,699,863,277.63, 21,667,643,003.16 and 8,926,696,719.71 is: 12,319,882,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699,863,277.63 : 21,667,643,003.16 = 8,926,696,719.71 : x
  2. Step 2: Convert to fraction form
    15,699,863,277.63/21,667,643,003.16 = 8,926,696,719.71/x
  3. Step 3: Cross multiply
    15,699,863,277.63x = 21,667,643,003.16 × 8,926,696,719.71
  4. Step 4: Simplify right side
    15,699,863,277.63x = 193,420,477,720,047,353,856
  5. Step 5: Solve for x
    x = 193,420,477,720,047,353,856/15,699,863,277.63
  6. Step 6: Final answer
    x = 12,319,882,937.81

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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.