Home / 354,137,433.60-531,206,150.40-280,160,846.40

Finding the Fourth Proportional to 354,137,433.60, 531,206,150.40 and 280,160,846.40

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Solution

The fourth proportional to 354,137,433.60, 531,206,150.40 and 280,160,846.40 is: 420,241,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,137,433.60 : 531,206,150.40 = 280,160,846.40 : x
  2. Step 2: Convert to fraction form
    354,137,433.60/531,206,150.40 = 280,160,846.40/x
  3. Step 3: Cross multiply
    354,137,433.60x = 531,206,150.40 × 280,160,846.40
  4. Step 4: Simplify right side
    354,137,433.60x = 148,823,164,708,949,664
  5. Step 5: Solve for x
    x = 148,823,164,708,949,664/354,137,433.60
  6. Step 6: Final answer
    x = 420,241,269.60

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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.