Home / 484,988,937.80-727,483,406.70-291,497,174.60

Finding the Fourth Proportional to 484,988,937.80, 727,483,406.70 and 291,497,174.60

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Solution

The fourth proportional to 484,988,937.80, 727,483,406.70 and 291,497,174.60 is: 437,245,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,988,937.80 : 727,483,406.70 = 291,497,174.60 : x
  2. Step 2: Convert to fraction form
    484,988,937.80/727,483,406.70 = 291,497,174.60/x
  3. Step 3: Cross multiply
    484,988,937.80x = 727,483,406.70 × 291,497,174.60
  4. Step 4: Simplify right side
    484,988,937.80x = 212,059,357,621,432,736
  5. Step 5: Solve for x
    x = 212,059,357,621,432,736/484,988,937.80
  6. Step 6: Final answer
    x = 437,245,761.90

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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.