Home / 425,663,467.20-638,495,200.80-250,606,801.80

Finding the Fourth Proportional to 425,663,467.20, 638,495,200.80 and 250,606,801.80

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Solution

The fourth proportional to 425,663,467.20, 638,495,200.80 and 250,606,801.80 is: 375,910,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,663,467.20 : 638,495,200.80 = 250,606,801.80 : x
  2. Step 2: Convert to fraction form
    425,663,467.20/638,495,200.80 = 250,606,801.80/x
  3. Step 3: Cross multiply
    425,663,467.20x = 638,495,200.80 × 250,606,801.80
  4. Step 4: Simplify right side
    425,663,467.20x = 160,011,240,237,136,800
  5. Step 5: Solve for x
    x = 160,011,240,237,136,800/425,663,467.20
  6. Step 6: Final answer
    x = 375,910,202.70

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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.