Home / 642,704,650.52-964,048,577.70-158,034,657.56

Finding the Fourth Proportional to 642,704,650.52, 964,048,577.70 and 158,034,657.56

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Solution

The fourth proportional to 642,704,650.52, 964,048,577.70 and 158,034,657.56 is: 237,049,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,704,650.52 : 964,048,577.70 = 158,034,657.56 : x
  2. Step 2: Convert to fraction form
    642,704,650.52/964,048,577.70 = 158,034,657.56/x
  3. Step 3: Cross multiply
    642,704,650.52x = 964,048,577.70 × 158,034,657.56
  4. Step 4: Simplify right side
    642,704,650.52x = 152,353,086,848,024,576
  5. Step 5: Solve for x
    x = 152,353,086,848,024,576/642,704,650.52
  6. Step 6: Final answer
    x = 237,049,921.34

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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.