Home / 977,510,040.55-1,467,965,672.03-518,345,016.55

Finding the Fourth Proportional to 977,510,040.55, 1,467,965,672.03 and 518,345,016.55

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Solution

The fourth proportional to 977,510,040.55, 1,467,965,672.03 and 518,345,016.55 is: 778,419,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,510,040.55 : 1,467,965,672.03 = 518,345,016.55 : x
  2. Step 2: Convert to fraction form
    977,510,040.55/1,467,965,672.03 = 518,345,016.55/x
  3. Step 3: Cross multiply
    977,510,040.55x = 1,467,965,672.03 × 518,345,016.55
  4. Step 4: Simplify right side
    977,510,040.55x = 760,912,690,560,630,528
  5. Step 5: Solve for x
    x = 760,912,690,560,630,528/977,510,040.55
  6. Step 6: Final answer
    x = 778,419,309.26

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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.