Home / 15,699,863,283.62-21,667,643,011.44-8,926,696,725.71

Finding the Fourth Proportional to 15,699,863,283.62, 21,667,643,011.44 and 8,926,696,725.71

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Solution

The fourth proportional to 15,699,863,283.62, 21,667,643,011.44 and 8,926,696,725.71 is: 12,319,882,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699,863,283.62 : 21,667,643,011.44 = 8,926,696,725.71 : x
  2. Step 2: Convert to fraction form
    15,699,863,283.62/21,667,643,011.44 = 8,926,696,725.71/x
  3. Step 3: Cross multiply
    15,699,863,283.62x = 21,667,643,011.44 × 8,926,696,725.71
  4. Step 4: Simplify right side
    15,699,863,283.62x = 193,420,477,923,966,255,104
  5. Step 5: Solve for x
    x = 193,420,477,923,966,255,104/15,699,863,283.62
  6. Step 6: Final answer
    x = 12,319,882,946.10

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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.