Home / 157,606,109,183.58-217,496,640,416.64-85,348,298,646.57

Finding the Fourth Proportional to 157,606,109,183.58, 217,496,640,416.64 and 85,348,298,646.57

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Solution

The fourth proportional to 157,606,109,183.58, 217,496,640,416.64 and 85,348,298,646.57 is: 117,780,765,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,606,109,183.58 : 217,496,640,416.64 = 85,348,298,646.57 : x
  2. Step 2: Convert to fraction form
    157,606,109,183.58/217,496,640,416.64 = 85,348,298,646.57/x
  3. Step 3: Cross multiply
    157,606,109,183.58x = 217,496,640,416.64 × 85,348,298,646.57
  4. Step 4: Simplify right side
    157,606,109,183.58x = 18,562,968,220,905,691,414,528
  5. Step 5: Solve for x
    x = 18,562,968,220,905,691,414,528/157,606,109,183.58
  6. Step 6: Final answer
    x = 117,780,765,714.38

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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.