Home / 284,006,110,995.72-391,940,753,157.18-157,276,564,371.72

Finding the Fourth Proportional to 284,006,110,995.72, 391,940,753,157.18 and 157,276,564,371.72

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Solution

The fourth proportional to 284,006,110,995.72, 391,940,753,157.18 and 157,276,564,371.72 is: 217,048,481,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,006,110,995.72 : 391,940,753,157.18 = 157,276,564,371.72 : x
  2. Step 2: Convert to fraction form
    284,006,110,995.72/391,940,753,157.18 = 157,276,564,371.72/x
  3. Step 3: Cross multiply
    284,006,110,995.72x = 391,940,753,157.18 × 157,276,564,371.72
  4. Step 4: Simplify right side
    284,006,110,995.72x = 61,643,095,093,825,641,644,032
  5. Step 5: Solve for x
    x = 61,643,095,093,825,641,644,032/284,006,110,995.72
  6. Step 6: Final answer
    x = 217,048,481,378.47

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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.