Home / 848,792,248.20-1,273,860,218.70-331,470,520.20

Finding the Fourth Proportional to 848,792,248.20, 1,273,860,218.70 and 331,470,520.20

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Solution

The fourth proportional to 848,792,248.20, 1,273,860,218.70 and 331,470,520.20 is: 497,468,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,792,248.20 : 1,273,860,218.70 = 331,470,520.20 : x
  2. Step 2: Convert to fraction form
    848,792,248.20/1,273,860,218.70 = 331,470,520.20/x
  3. Step 3: Cross multiply
    848,792,248.20x = 1,273,860,218.70 × 331,470,520.20
  4. Step 4: Simplify right side
    848,792,248.20x = 422,247,109,354,574,784
  5. Step 5: Solve for x
    x = 422,247,109,354,574,784/848,792,248.20
  6. Step 6: Final answer
    x = 497,468,149.89

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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.