Home / 474,752,512.80-712,128,769.20-267,277,946.40

Finding the Fourth Proportional to 474,752,512.80, 712,128,769.20 and 267,277,946.40

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Solution

The fourth proportional to 474,752,512.80, 712,128,769.20 and 267,277,946.40 is: 400,916,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,752,512.80 : 712,128,769.20 = 267,277,946.40 : x
  2. Step 2: Convert to fraction form
    474,752,512.80/712,128,769.20 = 267,277,946.40/x
  3. Step 3: Cross multiply
    474,752,512.80x = 712,128,769.20 × 267,277,946.40
  4. Step 4: Simplify right side
    474,752,512.80x = 190,336,315,004,135,584
  5. Step 5: Solve for x
    x = 190,336,315,004,135,584/474,752,512.80
  6. Step 6: Final answer
    x = 400,916,919.60

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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.