Home / 8,371,120,163.40-12,556,680,245.10-4,186,978,882.20

Finding the Fourth Proportional to 8,371,120,163.40, 12,556,680,245.10 and 4,186,978,882.20

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Solution

The fourth proportional to 8,371,120,163.40, 12,556,680,245.10 and 4,186,978,882.20 is: 6,280,468,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371,120,163.40 : 12,556,680,245.10 = 4,186,978,882.20 : x
  2. Step 2: Convert to fraction form
    8,371,120,163.40/12,556,680,245.10 = 4,186,978,882.20/x
  3. Step 3: Cross multiply
    8,371,120,163.40x = 12,556,680,245.10 × 4,186,978,882.20
  4. Step 4: Simplify right side
    8,371,120,163.40x = 52,574,555,016,771,616,768
  5. Step 5: Solve for x
    x = 52,574,555,016,771,616,768/8,371,120,163.40
  6. Step 6: Final answer
    x = 6,280,468,323.30

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1.5x scale

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.