Home / 488,940,985.20-733,411,477.80-294,752,443.80

Finding the Fourth Proportional to 488,940,985.20, 733,411,477.80 and 294,752,443.80

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Solution

The fourth proportional to 488,940,985.20, 733,411,477.80 and 294,752,443.80 is: 442,128,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,940,985.20 : 733,411,477.80 = 294,752,443.80 : x
  2. Step 2: Convert to fraction form
    488,940,985.20/733,411,477.80 = 294,752,443.80/x
  3. Step 3: Cross multiply
    488,940,985.20x = 733,411,477.80 × 294,752,443.80
  4. Step 4: Simplify right side
    488,940,985.20x = 216,174,825,392,519,456
  5. Step 5: Solve for x
    x = 216,174,825,392,519,456/488,940,985.20
  6. Step 6: Final answer
    x = 442,128,665.70

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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.