Home / 6,478,173,217.58-8,939,912,098.76-3,620,363,128.04

Finding the Fourth Proportional to 6,478,173,217.58, 8,939,912,098.76 and 3,620,363,128.04

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Solution

The fourth proportional to 6,478,173,217.58, 8,939,912,098.76 and 3,620,363,128.04 is: 4,996,119,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,173,217.58 : 8,939,912,098.76 = 3,620,363,128.04 : x
  2. Step 2: Convert to fraction form
    6,478,173,217.58/8,939,912,098.76 = 3,620,363,128.04/x
  3. Step 3: Cross multiply
    6,478,173,217.58x = 8,939,912,098.76 × 3,620,363,128.04
  4. Step 4: Simplify right side
    6,478,173,217.58x = 32,365,728,130,269,396,992
  5. Step 5: Solve for x
    x = 32,365,728,130,269,396,992/6,478,173,217.58
  6. Step 6: Final answer
    x = 4,996,119,591.62

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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.