Home / 7,162,968,171.28-10,746,386,691.08-2,188,554,385

Finding the Fourth Proportional to 7,162,968,171.28, 10,746,386,691.08 and 2,188,554,385

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Solution

The fourth proportional to 7,162,968,171.28, 10,746,386,691.08 and 2,188,554,385 is: 3,283,422,619.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162,968,171.28 : 10,746,386,691.08 = 2,188,554,385 : x
  2. Step 2: Convert to fraction form
    7,162,968,171.28/10,746,386,691.08 = 2,188,554,385/x
  3. Step 3: Cross multiply
    7,162,968,171.28x = 10,746,386,691.08 × 2,188,554,385
  4. Step 4: Simplify right side
    7,162,968,171.28x = 23,519,051,715,668,774,912
  5. Step 5: Solve for x
    x = 23,519,051,715,668,774,912/7,162,968,171.28
  6. Step 6: Final answer
    x = 3,283,422,619.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.