Home / 531,145,870.62-796,720,300.62-203,721,749.02

Finding the Fourth Proportional to 531,145,870.62, 796,720,300.62 and 203,721,749.02

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Solution

The fourth proportional to 531,145,870.62, 796,720,300.62 and 203,721,749.02 is: 305,583,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,145,870.62 : 796,720,300.62 = 203,721,749.02 : x
  2. Step 2: Convert to fraction form
    531,145,870.62/796,720,300.62 = 203,721,749.02/x
  3. Step 3: Cross multiply
    531,145,870.62x = 796,720,300.62 × 203,721,749.02
  4. Step 4: Simplify right side
    531,145,870.62x = 162,309,253,122,046,592
  5. Step 5: Solve for x
    x = 162,309,253,122,046,592/531,145,870.62
  6. Step 6: Final answer
    x = 305,583,196.82

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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.