Home / 5,211,814,147.86-7,193,089,716.51-3,178,444,663.62

Finding the Fourth Proportional to 5,211,814,147.86, 7,193,089,716.51 and 3,178,444,663.62

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Solution

The fourth proportional to 5,211,814,147.86, 7,193,089,716.51 and 3,178,444,663.62 is: 4,386,733,098.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,814,147.86 : 7,193,089,716.51 = 3,178,444,663.62 : x
  2. Step 2: Convert to fraction form
    5,211,814,147.86/7,193,089,716.51 = 3,178,444,663.62/x
  3. Step 3: Cross multiply
    5,211,814,147.86x = 7,193,089,716.51 × 3,178,444,663.62
  4. Step 4: Simplify right side
    5,211,814,147.86x = 22,862,837,624,365,215,744
  5. Step 5: Solve for x
    x = 22,862,837,624,365,215,744/5,211,814,147.86
  6. Step 6: Final answer
    x = 4,386,733,098.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.