Home / 545,169,306.80-817,753,960.20-330,178,458.80

Finding the Fourth Proportional to 545,169,306.80, 817,753,960.20 and 330,178,458.80

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Solution

The fourth proportional to 545,169,306.80, 817,753,960.20 and 330,178,458.80 is: 495,267,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,169,306.80 : 817,753,960.20 = 330,178,458.80 : x
  2. Step 2: Convert to fraction form
    545,169,306.80/817,753,960.20 = 330,178,458.80/x
  3. Step 3: Cross multiply
    545,169,306.80x = 817,753,960.20 × 330,178,458.80
  4. Step 4: Simplify right side
    545,169,306.80x = 270,004,742,256,432,576
  5. Step 5: Solve for x
    x = 270,004,742,256,432,576/545,169,306.80
  6. Step 6: Final answer
    x = 495,267,688.20

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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.