Home / 545,169,092.80-817,753,639.20-330,178,244.80

Finding the Fourth Proportional to 545,169,092.80, 817,753,639.20 and 330,178,244.80

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Solution

The fourth proportional to 545,169,092.80, 817,753,639.20 and 330,178,244.80 is: 495,267,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,169,092.80 : 817,753,639.20 = 330,178,244.80 : x
  2. Step 2: Convert to fraction form
    545,169,092.80/817,753,639.20 = 330,178,244.80/x
  3. Step 3: Cross multiply
    545,169,092.80x = 817,753,639.20 × 330,178,244.80
  4. Step 4: Simplify right side
    545,169,092.80x = 270,004,461,269,868,512
  5. Step 5: Solve for x
    x = 270,004,461,269,868,512/545,169,092.80
  6. Step 6: Final answer
    x = 495,267,367.20

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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.