Home / 8,371,120,177.90-12,556,680,266.85-4,186,978,896.70

Finding the Fourth Proportional to 8,371,120,177.90, 12,556,680,266.85 and 4,186,978,896.70

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Solution

The fourth proportional to 8,371,120,177.90, 12,556,680,266.85 and 4,186,978,896.70 is: 6,280,468,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371,120,177.90 : 12,556,680,266.85 = 4,186,978,896.70 : x
  2. Step 2: Convert to fraction form
    8,371,120,177.90/12,556,680,266.85 = 4,186,978,896.70/x
  3. Step 3: Cross multiply
    8,371,120,177.90x = 12,556,680,266.85 × 4,186,978,896.70
  4. Step 4: Simplify right side
    8,371,120,177.90x = 52,574,555,289,910,272,000
  5. Step 5: Solve for x
    x = 52,574,555,289,910,272,000/8,371,120,177.90
  6. Step 6: Final answer
    x = 6,280,468,345.05

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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.