Home / 393,012,004.80-589,518,007.20-332,545,828.80

Finding the Fourth Proportional to 393,012,004.80, 589,518,007.20 and 332,545,828.80

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Solution

The fourth proportional to 393,012,004.80, 589,518,007.20 and 332,545,828.80 is: 498,818,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,012,004.80 : 589,518,007.20 = 332,545,828.80 : x
  2. Step 2: Convert to fraction form
    393,012,004.80/589,518,007.20 = 332,545,828.80/x
  3. Step 3: Cross multiply
    393,012,004.80x = 589,518,007.20 × 332,545,828.80
  4. Step 4: Simplify right side
    393,012,004.80x = 196,041,754,296,848,384
  5. Step 5: Solve for x
    x = 196,041,754,296,848,384/393,012,004.80
  6. Step 6: Final answer
    x = 498,818,743.20

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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.