Home / 538,312,586.22-807,612,423.81-193,269,202.56

Finding the Fourth Proportional to 538,312,586.22, 807,612,423.81 and 193,269,202.56

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Solution

The fourth proportional to 538,312,586.22, 807,612,423.81 and 193,269,202.56 is: 289,955,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,312,586.22 : 807,612,423.81 = 193,269,202.56 : x
  2. Step 2: Convert to fraction form
    538,312,586.22/807,612,423.81 = 193,269,202.56/x
  3. Step 3: Cross multiply
    538,312,586.22x = 807,612,423.81 × 193,269,202.56
  4. Step 4: Simplify right side
    538,312,586.22x = 156,086,609,127,307,456
  5. Step 5: Solve for x
    x = 156,086,609,127,307,456/538,312,586.22
  6. Step 6: Final answer
    x = 289,955,340.30

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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.