Home / 460,335,898.42-690,940,392.36-284,928,340.54

Finding the Fourth Proportional to 460,335,898.42, 690,940,392.36 and 284,928,340.54

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Solution

The fourth proportional to 460,335,898.42, 690,940,392.36 and 284,928,340.54 is: 427,662,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,335,898.42 : 690,940,392.36 = 284,928,340.54 : x
  2. Step 2: Convert to fraction form
    460,335,898.42/690,940,392.36 = 284,928,340.54/x
  3. Step 3: Cross multiply
    460,335,898.42x = 690,940,392.36 × 284,928,340.54
  4. Step 4: Simplify right side
    460,335,898.42x = 196,868,499,407,191,328
  5. Step 5: Solve for x
    x = 196,868,499,407,191,328/460,335,898.42
  6. Step 6: Final answer
    x = 427,662,713.43

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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.