Home / 5,153,317,718.86-7,111,672,479.12-2,864,664,837.82

Finding the Fourth Proportional to 5,153,317,718.86, 7,111,672,479.12 and 2,864,664,837.82

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Solution

The fourth proportional to 5,153,317,718.86, 7,111,672,479.12 and 2,864,664,837.82 is: 3,953,289,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153,317,718.86 : 7,111,672,479.12 = 2,864,664,837.82 : x
  2. Step 2: Convert to fraction form
    5,153,317,718.86/7,111,672,479.12 = 2,864,664,837.82/x
  3. Step 3: Cross multiply
    5,153,317,718.86x = 7,111,672,479.12 × 2,864,664,837.82
  4. Step 4: Simplify right side
    5,153,317,718.86x = 20,372,558,089,027,252,224
  5. Step 5: Solve for x
    x = 20,372,558,089,027,252,224/5,153,317,718.86
  6. Step 6: Final answer
    x = 3,953,289,744.68

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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.