Home / 265,042,514,671.16-397,619,615,085.78-85,954,537,218.68

Finding the Fourth Proportional to 265,042,514,671.16, 397,619,615,085.78 and 85,954,537,218.68

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Solution

The fourth proportional to 265,042,514,671.16, 397,619,615,085.78 and 85,954,537,218.68 is: 128,949,916,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,042,514,671.16 : 397,619,615,085.78 = 85,954,537,218.68 : x
  2. Step 2: Convert to fraction form
    265,042,514,671.16/397,619,615,085.78 = 85,954,537,218.68/x
  3. Step 3: Cross multiply
    265,042,514,671.16x = 397,619,615,085.78 × 85,954,537,218.68
  4. Step 4: Simplify right side
    265,042,514,671.16x = 34,177,210,003,767,890,542,592
  5. Step 5: Solve for x
    x = 34,177,210,003,767,890,542,592/265,042,514,671.16
  6. Step 6: Final answer
    x = 128,949,916,001.86

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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.