Home / 557,919,280.62-769,935,689.73-307,052,556.66

Finding the Fourth Proportional to 557,919,280.62, 769,935,689.73 and 307,052,556.66

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Solution

The fourth proportional to 557,919,280.62, 769,935,689.73 and 307,052,556.66 is: 423,736,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,919,280.62 : 769,935,689.73 = 307,052,556.66 : x
  2. Step 2: Convert to fraction form
    557,919,280.62/769,935,689.73 = 307,052,556.66/x
  3. Step 3: Cross multiply
    557,919,280.62x = 769,935,689.73 × 307,052,556.66
  4. Step 4: Simplify right side
    557,919,280.62x = 236,410,721,995,377,024
  5. Step 5: Solve for x
    x = 236,410,721,995,377,024/557,919,280.62
  6. Step 6: Final answer
    x = 423,736,426.05

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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.