Home / 376,358,051.79-519,343,661.87-217,598,360.68

Finding the Fourth Proportional to 376,358,051.79, 519,343,661.87 and 217,598,360.68

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Solution

The fourth proportional to 376,358,051.79, 519,343,661.87 and 217,598,360.68 is: 300,268,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,358,051.79 : 519,343,661.87 = 217,598,360.68 : x
  2. Step 2: Convert to fraction form
    376,358,051.79/519,343,661.87 = 217,598,360.68/x
  3. Step 3: Cross multiply
    376,358,051.79x = 519,343,661.87 × 217,598,360.68
  4. Step 4: Simplify right side
    376,358,051.79x = 113,008,329,449,863,520
  5. Step 5: Solve for x
    x = 113,008,329,449,863,520/376,358,051.79
  6. Step 6: Final answer
    x = 300,268,132.73

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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.