Home / 412,296,557.76-618,739,897.11-149,980,601.67

Finding the Fourth Proportional to 412,296,557.76, 618,739,897.11 and 149,980,601.67

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Solution

The fourth proportional to 412,296,557.76, 618,739,897.11 and 149,980,601.67 is: 225,078,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,296,557.76 : 618,739,897.11 = 149,980,601.67 : x
  2. Step 2: Convert to fraction form
    412,296,557.76/618,739,897.11 = 149,980,601.67/x
  3. Step 3: Cross multiply
    412,296,557.76x = 618,739,897.11 × 149,980,601.67
  4. Step 4: Simplify right side
    412,296,557.76x = 92,798,982,043,751,888
  5. Step 5: Solve for x
    x = 92,798,982,043,751,888/412,296,557.76
  6. Step 6: Final answer
    x = 225,078,236.28

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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.