Home / 308,272,765.20-462,803,751.76-264,831,449.28

Finding the Fourth Proportional to 308,272,765.20, 462,803,751.76 and 264,831,449.28

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Solution

The fourth proportional to 308,272,765.20, 462,803,751.76 and 264,831,449.28 is: 397,586,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,272,765.20 : 462,803,751.76 = 264,831,449.28 : x
  2. Step 2: Convert to fraction form
    308,272,765.20/462,803,751.76 = 264,831,449.28/x
  3. Step 3: Cross multiply
    308,272,765.20x = 462,803,751.76 × 264,831,449.28
  4. Step 4: Simplify right side
    308,272,765.20x = 122,564,988,310,822,144
  5. Step 5: Solve for x
    x = 122,564,988,310,822,144/308,272,765.20
  6. Step 6: Final answer
    x = 397,586,170.91

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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.