Home / 253,123,634,725.30-349,310,961,831.72-137,380,396,140.42

Finding the Fourth Proportional to 253,123,634,725.30, 349,310,961,831.72 and 137,380,396,140.42

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Solution

The fourth proportional to 253,123,634,725.30, 349,310,961,831.72 and 137,380,396,140.42 is: 189,585,134,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,123,634,725.30 : 349,310,961,831.72 = 137,380,396,140.42 : x
  2. Step 2: Convert to fraction form
    253,123,634,725.30/349,310,961,831.72 = 137,380,396,140.42/x
  3. Step 3: Cross multiply
    253,123,634,725.30x = 349,310,961,831.72 × 137,380,396,140.42
  4. Step 4: Simplify right side
    253,123,634,725.30x = 47,988,478,312,632,817,811,456
  5. Step 5: Solve for x
    x = 47,988,478,312,632,817,811,456/253,123,634,725.30
  6. Step 6: Final answer
    x = 189,585,134,413.51

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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.