Home / 515,077,855,552.53-772,732,015,754.54-156,957,857,085.15

Finding the Fourth Proportional to 515,077,855,552.53, 772,732,015,754.54 and 156,957,857,085.15

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Solution

The fourth proportional to 515,077,855,552.53, 772,732,015,754.54 and 156,957,857,085.15 is: 235,471,899,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,077,855,552.53 : 772,732,015,754.54 = 156,957,857,085.15 : x
  2. Step 2: Convert to fraction form
    515,077,855,552.53/772,732,015,754.54 = 156,957,857,085.15/x
  3. Step 3: Cross multiply
    515,077,855,552.53x = 772,732,015,754.54 × 156,957,857,085.15
  4. Step 4: Simplify right side
    515,077,855,552.53x = 121,286,361,293,920,965,492,736
  5. Step 5: Solve for x
    x = 121,286,361,293,920,965,492,736/515,077,855,552.53
  6. Step 6: Final answer
    x = 235,471,899,998.14

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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.