Home / 920,443,566-1,380,665,360.52-220,935,700.22

Finding the Fourth Proportional to 920,443,566, 1,380,665,360.52 and 220,935,700.22

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Solution

The fourth proportional to 920,443,566, 1,380,665,360.52 and 220,935,700.22 is: 331,403,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,443,566 : 1,380,665,360.52 = 220,935,700.22 : x
  2. Step 2: Convert to fraction form
    920,443,566/1,380,665,360.52 = 220,935,700.22/x
  3. Step 3: Cross multiply
    920,443,566x = 1,380,665,360.52 × 220,935,700.22
  4. Step 4: Simplify right side
    920,443,566x = 305,038,268,195,984,960
  5. Step 5: Solve for x
    x = 305,038,268,195,984,960/920,443,566
  6. Step 6: Final answer
    x = 331,403,553.10

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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.