Home / 20,228,630,354.70-30,342,945,532.05-8,594,938,092.30

Finding the Fourth Proportional to 20,228,630,354.70, 30,342,945,532.05 and 8,594,938,092.30

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Solution

The fourth proportional to 20,228,630,354.70, 30,342,945,532.05 and 8,594,938,092.30 is: 12,892,407,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,630,354.70 : 30,342,945,532.05 = 8,594,938,092.30 : x
  2. Step 2: Convert to fraction form
    20,228,630,354.70/30,342,945,532.05 = 8,594,938,092.30/x
  3. Step 3: Cross multiply
    20,228,630,354.70x = 30,342,945,532.05 × 8,594,938,092.30
  4. Step 4: Simplify right side
    20,228,630,354.70x = 260,795,738,386,000,609,280
  5. Step 5: Solve for x
    x = 260,795,738,386,000,609,280/20,228,630,354.70
  6. Step 6: Final answer
    x = 12,892,407,138.45

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Double scale
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Similar ratio
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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.