Home / 2,798,250,779.20-4,197,376,168.80-859,650,433.60

Finding the Fourth Proportional to 2,798,250,779.20, 4,197,376,168.80 and 859,650,433.60

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Solution

The fourth proportional to 2,798,250,779.20, 4,197,376,168.80 and 859,650,433.60 is: 1,289,475,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,250,779.20 : 4,197,376,168.80 = 859,650,433.60 : x
  2. Step 2: Convert to fraction form
    2,798,250,779.20/4,197,376,168.80 = 859,650,433.60/x
  3. Step 3: Cross multiply
    2,798,250,779.20x = 4,197,376,168.80 × 859,650,433.60
  4. Step 4: Simplify right side
    2,798,250,779.20x = 3,608,276,243,491,227,136
  5. Step 5: Solve for x
    x = 3,608,276,243,491,227,136/2,798,250,779.20
  6. Step 6: Final answer
    x = 1,289,475,650.40

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Double scale
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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.