Home / 407,831,273.02-612,174,796.49-361,441,566.82

Finding the Fourth Proportional to 407,831,273.02, 612,174,796.49 and 361,441,566.82

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Solution

The fourth proportional to 407,831,273.02, 612,174,796.49 and 361,441,566.82 is: 542,541,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,831,273.02 : 612,174,796.49 = 361,441,566.82 : x
  2. Step 2: Convert to fraction form
    407,831,273.02/612,174,796.49 = 361,441,566.82/x
  3. Step 3: Cross multiply
    407,831,273.02x = 612,174,796.49 × 361,441,566.82
  4. Step 4: Simplify right side
    407,831,273.02x = 221,265,417,611,060,224
  5. Step 5: Solve for x
    x = 221,265,417,611,060,224/407,831,273.02
  6. Step 6: Final answer
    x = 542,541,566.20

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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.