Home / 848,792,313.20-1,273,860,316.20-331,470,585.20

Finding the Fourth Proportional to 848,792,313.20, 1,273,860,316.20 and 331,470,585.20

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Solution

The fourth proportional to 848,792,313.20, 1,273,860,316.20 and 331,470,585.20 is: 497,468,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,792,313.20 : 1,273,860,316.20 = 331,470,585.20 : x
  2. Step 2: Convert to fraction form
    848,792,313.20/1,273,860,316.20 = 331,470,585.20/x
  3. Step 3: Cross multiply
    848,792,313.20x = 1,273,860,316.20 × 331,470,585.20
  4. Step 4: Simplify right side
    848,792,313.20x = 422,247,224,473,871,040
  5. Step 5: Solve for x
    x = 422,247,224,473,871,040/848,792,313.20
  6. Step 6: Final answer
    x = 497,468,247.42

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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.