Home / 253,123,634,725.80-349,310,961,832.41-137,380,396,140.92

Finding the Fourth Proportional to 253,123,634,725.80, 349,310,961,832.41 and 137,380,396,140.92

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Solution

The fourth proportional to 253,123,634,725.80, 349,310,961,832.41 and 137,380,396,140.92 is: 189,585,134,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,123,634,725.80 : 349,310,961,832.41 = 137,380,396,140.92 : x
  2. Step 2: Convert to fraction form
    253,123,634,725.80/349,310,961,832.41 = 137,380,396,140.92/x
  3. Step 3: Cross multiply
    253,123,634,725.80x = 349,310,961,832.41 × 137,380,396,140.92
  4. Step 4: Simplify right side
    253,123,634,725.80x = 47,988,478,312,902,268,289,024
  5. Step 5: Solve for x
    x = 47,988,478,312,902,268,289,024/253,123,634,725.80
  6. Step 6: Final answer
    x = 189,585,134,414.20

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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.