Home / 10,347,307,331.60-15,520,960,997.40-2,986,558,173.20

Finding the Fourth Proportional to 10,347,307,331.60, 15,520,960,997.40 and 2,986,558,173.20

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Solution

The fourth proportional to 10,347,307,331.60, 15,520,960,997.40 and 2,986,558,173.20 is: 4,479,837,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,307,331.60 : 15,520,960,997.40 = 2,986,558,173.20 : x
  2. Step 2: Convert to fraction form
    10,347,307,331.60/15,520,960,997.40 = 2,986,558,173.20/x
  3. Step 3: Cross multiply
    10,347,307,331.60x = 15,520,960,997.40 × 2,986,558,173.20
  4. Step 4: Simplify right side
    10,347,307,331.60x = 46,354,252,922,703,388,672
  5. Step 5: Solve for x
    x = 46,354,252,922,703,388,672/10,347,307,331.60
  6. Step 6: Final answer
    x = 4,479,837,259.80

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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.