Home / 347,753,007.90-521,629,511.85-186,509,871.90

Finding the Fourth Proportional to 347,753,007.90, 521,629,511.85 and 186,509,871.90

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Solution

The fourth proportional to 347,753,007.90, 521,629,511.85 and 186,509,871.90 is: 279,764,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,753,007.90 : 521,629,511.85 = 186,509,871.90 : x
  2. Step 2: Convert to fraction form
    347,753,007.90/521,629,511.85 = 186,509,871.90/x
  3. Step 3: Cross multiply
    347,753,007.90x = 521,629,511.85 × 186,509,871.90
  4. Step 4: Simplify right side
    347,753,007.90x = 97,289,053,434,403,040
  5. Step 5: Solve for x
    x = 97,289,053,434,403,040/347,753,007.90
  6. Step 6: Final answer
    x = 279,764,807.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.