Home / 251,634,527,651.70-347,253,301,315.89-137,449,104,943.86

Finding the Fourth Proportional to 251,634,527,651.70, 347,253,301,315.89 and 137,449,104,943.86

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Solution

The fourth proportional to 251,634,527,651.70, 347,253,301,315.89 and 137,449,104,943.86 is: 189,678,482,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,634,527,651.70 : 347,253,301,315.89 = 137,449,104,943.86 : x
  2. Step 2: Convert to fraction form
    251,634,527,651.70/347,253,301,315.89 = 137,449,104,943.86/x
  3. Step 3: Cross multiply
    251,634,527,651.70x = 347,253,301,315.89 × 137,449,104,943.86
  4. Step 4: Simplify right side
    251,634,527,651.70x = 47,729,655,454,669,599,670,272
  5. Step 5: Solve for x
    x = 47,729,655,454,669,599,670,272/251,634,527,651.70
  6. Step 6: Final answer
    x = 189,678,482,917.63

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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.