Home / 370,150,372.98-510,807,520.20-205,148,571.30

Finding the Fourth Proportional to 370,150,372.98, 510,807,520.20 and 205,148,571.30

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Solution

The fourth proportional to 370,150,372.98, 510,807,520.20 and 205,148,571.30 is: 283,105,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,150,372.98 : 510,807,520.20 = 205,148,571.30 : x
  2. Step 2: Convert to fraction form
    370,150,372.98/510,807,520.20 = 205,148,571.30/x
  3. Step 3: Cross multiply
    370,150,372.98x = 510,807,520.20 × 205,148,571.30
  4. Step 4: Simplify right side
    370,150,372.98x = 104,791,432,978,325,888
  5. Step 5: Solve for x
    x = 104,791,432,978,325,888/370,150,372.98
  6. Step 6: Final answer
    x = 283,105,031.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.