Home / 6,613,487,998.60-9,920,231,997.90-2,685,076,126.60

Finding the Fourth Proportional to 6,613,487,998.60, 9,920,231,997.90 and 2,685,076,126.60

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Solution

The fourth proportional to 6,613,487,998.60, 9,920,231,997.90 and 2,685,076,126.60 is: 4,027,614,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613,487,998.60 : 9,920,231,997.90 = 2,685,076,126.60 : x
  2. Step 2: Convert to fraction form
    6,613,487,998.60/9,920,231,997.90 = 2,685,076,126.60/x
  3. Step 3: Cross multiply
    6,613,487,998.60x = 9,920,231,997.90 × 2,685,076,126.60
  4. Step 4: Simplify right side
    6,613,487,998.60x = 26,636,578,107,894,710,272
  5. Step 5: Solve for x
    x = 26,636,578,107,894,710,272/6,613,487,998.60
  6. Step 6: Final answer
    x = 4,027,614,189.90

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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.