Home / 330,079,079.60-495,118,619.40-317,324,495.60

Finding the Fourth Proportional to 330,079,079.60, 495,118,619.40 and 317,324,495.60

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Solution

The fourth proportional to 330,079,079.60, 495,118,619.40 and 317,324,495.60 is: 475,986,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,079,079.60 : 495,118,619.40 = 317,324,495.60 : x
  2. Step 2: Convert to fraction form
    330,079,079.60/495,118,619.40 = 317,324,495.60/x
  3. Step 3: Cross multiply
    330,079,079.60x = 495,118,619.40 × 317,324,495.60
  4. Step 4: Simplify right side
    330,079,079.60x = 157,113,266,163,273,376
  5. Step 5: Solve for x
    x = 157,113,266,163,273,376/330,079,079.60
  6. Step 6: Final answer
    x = 475,986,743.40

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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.