Home / 848,280,138.80-1,272,420,208.20-440,133,450.80

Finding the Fourth Proportional to 848,280,138.80, 1,272,420,208.20 and 440,133,450.80

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Solution

The fourth proportional to 848,280,138.80, 1,272,420,208.20 and 440,133,450.80 is: 660,200,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,280,138.80 : 1,272,420,208.20 = 440,133,450.80 : x
  2. Step 2: Convert to fraction form
    848,280,138.80/1,272,420,208.20 = 440,133,450.80/x
  3. Step 3: Cross multiply
    848,280,138.80x = 1,272,420,208.20 × 440,133,450.80
  4. Step 4: Simplify right side
    848,280,138.80x = 560,034,697,102,720,512
  5. Step 5: Solve for x
    x = 560,034,697,102,720,512/848,280,138.80
  6. Step 6: Final answer
    x = 660,200,176.20

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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.