Home / 5,171,953,913.05-7,137,296,126.92-2,793,091,621.36

Finding the Fourth Proportional to 5,171,953,913.05, 7,137,296,126.92 and 2,793,091,621.36

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Solution

The fourth proportional to 5,171,953,913.05, 7,137,296,126.92 and 2,793,091,621.36 is: 3,854,466,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,953,913.05 : 7,137,296,126.92 = 2,793,091,621.36 : x
  2. Step 2: Convert to fraction form
    5,171,953,913.05/7,137,296,126.92 = 2,793,091,621.36/x
  3. Step 3: Cross multiply
    5,171,953,913.05x = 7,137,296,126.92 × 2,793,091,621.36
  4. Step 4: Simplify right side
    5,171,953,913.05x = 19,935,122,011,272,318,976
  5. Step 5: Solve for x
    x = 19,935,122,011,272,318,976/5,171,953,913.05
  6. Step 6: Final answer
    x = 3,854,466,290.00

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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.