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Finding the Fourth Proportional to 488,509,742.80, 733,959,007.80 and 367,577,390.80

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Solution

The fourth proportional to 488,509,742.80, 733,959,007.80 and 367,577,390.80 is: 552,264,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,509,742.80 : 733,959,007.80 = 367,577,390.80 : x
  2. Step 2: Convert to fraction form
    488,509,742.80/733,959,007.80 = 367,577,390.80/x
  3. Step 3: Cross multiply
    488,509,742.80x = 733,959,007.80 × 367,577,390.80
  4. Step 4: Simplify right side
    488,509,742.80x = 269,786,737,041,280,832
  5. Step 5: Solve for x
    x = 269,786,737,041,280,832/488,509,742.80
  6. Step 6: Final answer
    x = 552,264,803.35

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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.