Home / 7,129,604,502.60-10,694,406,753.90-6,827,320,861.80

Finding the Fourth Proportional to 7,129,604,502.60, 10,694,406,753.90 and 6,827,320,861.80

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Solution

The fourth proportional to 7,129,604,502.60, 10,694,406,753.90 and 6,827,320,861.80 is: 10,240,981,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,604,502.60 : 10,694,406,753.90 = 6,827,320,861.80 : x
  2. Step 2: Convert to fraction form
    7,129,604,502.60/10,694,406,753.90 = 6,827,320,861.80/x
  3. Step 3: Cross multiply
    7,129,604,502.60x = 10,694,406,753.90 × 6,827,320,861.80
  4. Step 4: Simplify right side
    7,129,604,502.60x = 73,014,146,335,476,285,440
  5. Step 5: Solve for x
    x = 73,014,146,335,476,285,440/7,129,604,502.60
  6. Step 6: Final answer
    x = 10,240,981,292.70

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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.