Home / 617,915,269.20-927,470,100.60-311,553,310.80

Finding the Fourth Proportional to 617,915,269.20, 927,470,100.60 and 311,553,310.80

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Solution

The fourth proportional to 617,915,269.20, 927,470,100.60 and 311,553,310.80 is: 467,631,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,915,269.20 : 927,470,100.60 = 311,553,310.80 : x
  2. Step 2: Convert to fraction form
    617,915,269.20/927,470,100.60 = 311,553,310.80/x
  3. Step 3: Cross multiply
    617,915,269.20x = 927,470,100.60 × 311,553,310.80
  4. Step 4: Simplify right side
    617,915,269.20x = 288,956,380,509,939,072
  5. Step 5: Solve for x
    x = 288,956,380,509,939,072/617,915,269.20
  6. Step 6: Final answer
    x = 467,631,073.24

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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.