Home / 577,169,540.91-796,472,628.05-312,845,858.85

Finding the Fourth Proportional to 577,169,540.91, 796,472,628.05 and 312,845,858.85

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Solution

The fourth proportional to 577,169,540.91, 796,472,628.05 and 312,845,858.85 is: 431,715,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,169,540.91 : 796,472,628.05 = 312,845,858.85 : x
  2. Step 2: Convert to fraction form
    577,169,540.91/796,472,628.05 = 312,845,858.85/x
  3. Step 3: Cross multiply
    577,169,540.91x = 796,472,628.05 × 312,845,858.85
  4. Step 4: Simplify right side
    577,169,540.91x = 249,173,163,376,587,744
  5. Step 5: Solve for x
    x = 249,173,163,376,587,744/577,169,540.91
  6. Step 6: Final answer
    x = 431,715,719.07

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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.