Home / 376,167,394.23-519,048,718.87-217,412,300.47

Finding the Fourth Proportional to 376,167,394.23, 519,048,718.87 and 217,412,300.47

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Solution

The fourth proportional to 376,167,394.23, 519,048,718.87 and 217,412,300.47 is: 299,992,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,167,394.23 : 519,048,718.87 = 217,412,300.47 : x
  2. Step 2: Convert to fraction form
    376,167,394.23/519,048,718.87 = 217,412,300.47/x
  3. Step 3: Cross multiply
    376,167,394.23x = 519,048,718.87 × 217,412,300.47
  4. Step 4: Simplify right side
    376,167,394.23x = 112,847,576,025,532,992
  5. Step 5: Solve for x
    x = 112,847,576,025,532,992/376,167,394.23
  6. Step 6: Final answer
    x = 299,992,975.89

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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.