Home / 185,885,470,115.43-256,514,371,684.30-109,786,520,137.85

Finding the Fourth Proportional to 185,885,470,115.43, 256,514,371,684.30 and 109,786,520,137.85

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Solution

The fourth proportional to 185,885,470,115.43, 256,514,371,684.30 and 109,786,520,137.85 is: 151,500,922,665.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,885,470,115.43 : 256,514,371,684.30 = 109,786,520,137.85 : x
  2. Step 2: Convert to fraction form
    185,885,470,115.43/256,514,371,684.30 = 109,786,520,137.85/x
  3. Step 3: Cross multiply
    185,885,470,115.43x = 256,514,371,684.30 × 109,786,520,137.85
  4. Step 4: Simplify right side
    185,885,470,115.43x = 28,161,820,232,566,343,467,008
  5. Step 5: Solve for x
    x = 28,161,820,232,566,343,467,008/185,885,470,115.43
  6. Step 6: Final answer
    x = 151,500,922,665.33

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1.5x scale

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.