Home / 340,015,186,515-469,221,135,516.82-185,692,978,693.56

Finding the Fourth Proportional to 340,015,186,515, 469,221,135,516.82 and 185,692,978,693.56

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Solution

The fourth proportional to 340,015,186,515, 469,221,135,516.82 and 185,692,978,693.56 is: 256,256,407,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,015,186,515 : 469,221,135,516.82 = 185,692,978,693.56 : x
  2. Step 2: Convert to fraction form
    340,015,186,515/469,221,135,516.82 = 185,692,978,693.56/x
  3. Step 3: Cross multiply
    340,015,186,515x = 469,221,135,516.82 × 185,692,978,693.56
  4. Step 4: Simplify right side
    340,015,186,515x = 87,131,070,320,092,892,889,088
  5. Step 5: Solve for x
    x = 87,131,070,320,092,892,889,088/340,015,186,515
  6. Step 6: Final answer
    x = 256,256,407,877.39

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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.