Home / 848,792,145.20-1,273,860,064.20-331,470,417.20

Finding the Fourth Proportional to 848,792,145.20, 1,273,860,064.20 and 331,470,417.20

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Solution

The fourth proportional to 848,792,145.20, 1,273,860,064.20 and 331,470,417.20 is: 497,467,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,792,145.20 : 1,273,860,064.20 = 331,470,417.20 : x
  2. Step 2: Convert to fraction form
    848,792,145.20/1,273,860,064.20 = 331,470,417.20/x
  3. Step 3: Cross multiply
    848,792,145.20x = 1,273,860,064.20 × 331,470,417.20
  4. Step 4: Simplify right side
    848,792,145.20x = 422,246,926,934,792,768
  5. Step 5: Solve for x
    x = 422,246,926,934,792,768/848,792,145.20
  6. Step 6: Final answer
    x = 497,467,995.34

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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.