Home / 330,079,134.60-495,118,701.90-317,324,550.60

Finding the Fourth Proportional to 330,079,134.60, 495,118,701.90 and 317,324,550.60

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Solution

The fourth proportional to 330,079,134.60, 495,118,701.90 and 317,324,550.60 is: 475,986,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,079,134.60 : 495,118,701.90 = 317,324,550.60 : x
  2. Step 2: Convert to fraction form
    330,079,134.60/495,118,701.90 = 317,324,550.60/x
  3. Step 3: Cross multiply
    330,079,134.60x = 495,118,701.90 × 317,324,550.60
  4. Step 4: Simplify right side
    330,079,134.60x = 157,113,319,574,072,864
  5. Step 5: Solve for x
    x = 157,113,319,574,072,864/330,079,134.60
  6. Step 6: Final answer
    x = 475,986,825.90

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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.