Home / 13,379,056,040.75-18,463,582,756.54-7,664,444,921.68

Finding the Fourth Proportional to 13,379,056,040.75, 18,463,582,756.54 and 7,664,444,921.68

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Solution

The fourth proportional to 13,379,056,040.75, 18,463,582,756.54 and 7,664,444,921.68 is: 10,577,212,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379,056,040.75 : 18,463,582,756.54 = 7,664,444,921.68 : x
  2. Step 2: Convert to fraction form
    13,379,056,040.75/18,463,582,756.54 = 7,664,444,921.68/x
  3. Step 3: Cross multiply
    13,379,056,040.75x = 18,463,582,756.54 × 7,664,444,921.68
  4. Step 4: Simplify right side
    13,379,056,040.75x = 141,513,113,094,358,417,408
  5. Step 5: Solve for x
    x = 141,513,113,094,358,417,408/13,379,056,040.75
  6. Step 6: Final answer
    x = 10,577,212,074.11

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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.