Home / 372,920,650.56-514,729,749.60-220,290,877.44

Finding the Fourth Proportional to 372,920,650.56, 514,729,749.60 and 220,290,877.44

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Solution

The fourth proportional to 372,920,650.56, 514,729,749.60 and 220,290,877.44 is: 304,060,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,920,650.56 : 514,729,749.60 = 220,290,877.44 : x
  2. Step 2: Convert to fraction form
    372,920,650.56/514,729,749.60 = 220,290,877.44/x
  3. Step 3: Cross multiply
    372,920,650.56x = 514,729,749.60 × 220,290,877.44
  4. Step 4: Simplify right side
    372,920,650.56x = 113,390,268,183,855,488
  5. Step 5: Solve for x
    x = 113,390,268,183,855,488/372,920,650.56
  6. Step 6: Final answer
    x = 304,060,040.69

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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.