Home / 347,752,859.40-521,629,289.10-186,509,723.40

Finding the Fourth Proportional to 347,752,859.40, 521,629,289.10 and 186,509,723.40

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Solution

The fourth proportional to 347,752,859.40, 521,629,289.10 and 186,509,723.40 is: 279,764,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,752,859.40 : 521,629,289.10 = 186,509,723.40 : x
  2. Step 2: Convert to fraction form
    347,752,859.40/521,629,289.10 = 186,509,723.40/x
  3. Step 3: Cross multiply
    347,752,859.40x = 521,629,289.10 × 186,509,723.40
  4. Step 4: Simplify right side
    347,752,859.40x = 97,288,934,427,379,648
  5. Step 5: Solve for x
    x = 97,288,934,427,379,648/347,752,859.40
  6. Step 6: Final answer
    x = 279,764,585.10

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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.