Home / 7,181,214,858.18-10,762,478,913.78-2,921,942,516.22

Finding the Fourth Proportional to 7,181,214,858.18, 10,762,478,913.78 and 2,921,942,516.22

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Solution

The fourth proportional to 7,181,214,858.18, 10,762,478,913.78 and 2,921,942,516.22 is: 4,379,112,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181,214,858.18 : 10,762,478,913.78 = 2,921,942,516.22 : x
  2. Step 2: Convert to fraction form
    7,181,214,858.18/10,762,478,913.78 = 2,921,942,516.22/x
  3. Step 3: Cross multiply
    7,181,214,858.18x = 10,762,478,913.78 × 2,921,942,516.22
  4. Step 4: Simplify right side
    7,181,214,858.18x = 31,447,344,718,095,024,128
  5. Step 5: Solve for x
    x = 31,447,344,718,095,024,128/7,181,214,858.18
  6. Step 6: Final answer
    x = 4,379,112,077.71

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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.