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Finding the Fourth Proportional to 614,659,622.67, 921,991,008.65 and 251,153,978.67

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Solution

The fourth proportional to 614,659,622.67, 921,991,008.65 and 251,153,978.67 is: 376,731,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,659,622.67 : 921,991,008.65 = 251,153,978.67 : x
  2. Step 2: Convert to fraction form
    614,659,622.67/921,991,008.65 = 251,153,978.67/x
  3. Step 3: Cross multiply
    614,659,622.67x = 921,991,008.65 × 251,153,978.67
  4. Step 4: Simplify right side
    614,659,622.67x = 231,561,710,119,158,112
  5. Step 5: Solve for x
    x = 231,561,710,119,158,112/614,659,622.67
  6. Step 6: Final answer
    x = 376,731,611.41

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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.