Home / 472,260,906.20-708,689,957.70-278,171,946.20

Finding the Fourth Proportional to 472,260,906.20, 708,689,957.70 and 278,171,946.20

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Solution

The fourth proportional to 472,260,906.20, 708,689,957.70 and 278,171,946.20 is: 417,433,800.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,260,906.20 : 708,689,957.70 = 278,171,946.20 : x
  2. Step 2: Convert to fraction form
    472,260,906.20/708,689,957.70 = 278,171,946.20/x
  3. Step 3: Cross multiply
    472,260,906.20x = 708,689,957.70 × 278,171,946.20
  4. Step 4: Simplify right side
    472,260,906.20x = 197,137,664,785,804,672
  5. Step 5: Solve for x
    x = 197,137,664,785,804,672/472,260,906.20
  6. Step 6: Final answer
    x = 417,433,800.25

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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.