Home / 275,347,354.88-380,006,798.24-205,611,666.72

Finding the Fourth Proportional to 275,347,354.88, 380,006,798.24 and 205,611,666.72

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Solution

The fourth proportional to 275,347,354.88, 380,006,798.24 and 205,611,666.72 is: 283,764,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,347,354.88 : 380,006,798.24 = 205,611,666.72 : x
  2. Step 2: Convert to fraction form
    275,347,354.88/380,006,798.24 = 205,611,666.72/x
  3. Step 3: Cross multiply
    275,347,354.88x = 380,006,798.24 × 205,611,666.72
  4. Step 4: Simplify right side
    275,347,354.88x = 78,133,831,151,057,168
  5. Step 5: Solve for x
    x = 78,133,831,151,057,168/275,347,354.88
  6. Step 6: Final answer
    x = 283,764,596.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.