Home / 521,461,006.56-719,438,213.94-323,150,143.80

Finding the Fourth Proportional to 521,461,006.56, 719,438,213.94 and 323,150,143.80

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Solution

The fourth proportional to 521,461,006.56, 719,438,213.94 and 323,150,143.80 is: 445,836,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,461,006.56 : 719,438,213.94 = 323,150,143.80 : x
  2. Step 2: Convert to fraction form
    521,461,006.56/719,438,213.94 = 323,150,143.80/x
  3. Step 3: Cross multiply
    521,461,006.56x = 719,438,213.94 × 323,150,143.80
  4. Step 4: Simplify right side
    521,461,006.56x = 232,486,562,289,926,176
  5. Step 5: Solve for x
    x = 232,486,562,289,926,176/521,461,006.56
  6. Step 6: Final answer
    x = 445,836,907.01

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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.