Home / 157,715,596,591.41-217,647,714,613.94-85,457,605,551.96

Finding the Fourth Proportional to 157,715,596,591.41, 217,647,714,613.94 and 85,457,605,551.96

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Solution

The fourth proportional to 157,715,596,591.41, 217,647,714,613.94 and 85,457,605,551.96 is: 117,931,599,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,715,596,591.41 : 217,647,714,613.94 = 85,457,605,551.96 : x
  2. Step 2: Convert to fraction form
    157,715,596,591.41/217,647,714,613.94 = 85,457,605,551.96/x
  3. Step 3: Cross multiply
    157,715,596,591.41x = 217,647,714,613.94 × 85,457,605,551.96
  4. Step 4: Simplify right side
    157,715,596,591.41x = 18,599,652,544,763,645,657,088
  5. Step 5: Solve for x
    x = 18,599,652,544,763,645,657,088/157,715,596,591.41
  6. Step 6: Final answer
    x = 117,931,599,326.54

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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.