Home / 2,159,398,601.70-3,239,097,902.55-1,989,337,481.70

Finding the Fourth Proportional to 2,159,398,601.70, 3,239,097,902.55 and 1,989,337,481.70

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Solution

The fourth proportional to 2,159,398,601.70, 3,239,097,902.55 and 1,989,337,481.70 is: 2,984,006,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,398,601.70 : 3,239,097,902.55 = 1,989,337,481.70 : x
  2. Step 2: Convert to fraction form
    2,159,398,601.70/3,239,097,902.55 = 1,989,337,481.70/x
  3. Step 3: Cross multiply
    2,159,398,601.70x = 3,239,097,902.55 × 1,989,337,481.70
  4. Step 4: Simplify right side
    2,159,398,601.70x = 6,443,658,864,438,569,984
  5. Step 5: Solve for x
    x = 6,443,658,864,438,569,984/2,159,398,601.70
  6. Step 6: Final answer
    x = 2,984,006,222.55

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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.