Home / 851,576,703.91-1,277,356,540.13-269,311,048.63

Finding the Fourth Proportional to 851,576,703.91, 1,277,356,540.13 and 269,311,048.63

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Solution

The fourth proportional to 851,576,703.91, 1,277,356,540.13 and 269,311,048.63 is: 403,963,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,576,703.91 : 1,277,356,540.13 = 269,311,048.63 : x
  2. Step 2: Convert to fraction form
    851,576,703.91/1,277,356,540.13 = 269,311,048.63/x
  3. Step 3: Cross multiply
    851,576,703.91x = 1,277,356,540.13 × 269,311,048.63
  4. Step 4: Simplify right side
    851,576,703.91x = 344,006,229,293,282,368
  5. Step 5: Solve for x
    x = 344,006,229,293,282,368/851,576,703.91
  6. Step 6: Final answer
    x = 403,963,879.84

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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.