Home / 354,349,932.40-531,524,898.60-198,744,007.60

Finding the Fourth Proportional to 354,349,932.40, 531,524,898.60 and 198,744,007.60

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Solution

The fourth proportional to 354,349,932.40, 531,524,898.60 and 198,744,007.60 is: 298,116,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,349,932.40 : 531,524,898.60 = 198,744,007.60 : x
  2. Step 2: Convert to fraction form
    354,349,932.40/531,524,898.60 = 198,744,007.60/x
  3. Step 3: Cross multiply
    354,349,932.40x = 531,524,898.60 × 198,744,007.60
  4. Step 4: Simplify right side
    354,349,932.40x = 105,637,388,486,947,632
  5. Step 5: Solve for x
    x = 105,637,388,486,947,632/354,349,932.40
  6. Step 6: Final answer
    x = 298,116,011.40

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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.