Home / 490,564,071.27-735,955,481.46-140,782,872.63

Finding the Fourth Proportional to 490,564,071.27, 735,955,481.46 and 140,782,872.63

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Solution

The fourth proportional to 490,564,071.27, 735,955,481.46 and 140,782,872.63 is: 211,205,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,564,071.27 : 735,955,481.46 = 140,782,872.63 : x
  2. Step 2: Convert to fraction form
    490,564,071.27/735,955,481.46 = 140,782,872.63/x
  3. Step 3: Cross multiply
    490,564,071.27x = 735,955,481.46 × 140,782,872.63
  4. Step 4: Simplify right side
    490,564,071.27x = 103,609,926,807,733,504
  5. Step 5: Solve for x
    x = 103,609,926,807,733,504/490,564,071.27
  6. Step 6: Final answer
    x = 211,205,697.43

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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.