Home / 376,358,047.94-519,343,656.57-217,598,356.83

Finding the Fourth Proportional to 376,358,047.94, 519,343,656.57 and 217,598,356.83

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Solution

The fourth proportional to 376,358,047.94, 519,343,656.57 and 217,598,356.83 is: 300,268,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,358,047.94 : 519,343,656.57 = 217,598,356.83 : x
  2. Step 2: Convert to fraction form
    376,358,047.94/519,343,656.57 = 217,598,356.83/x
  3. Step 3: Cross multiply
    376,358,047.94x = 519,343,656.57 × 217,598,356.83
  4. Step 4: Simplify right side
    376,358,047.94x = 113,008,326,299,715,840
  5. Step 5: Solve for x
    x = 113,008,326,299,715,840/376,358,047.94
  6. Step 6: Final answer
    x = 300,268,127.43

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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.