Home / 719,155,603.98-1,078,782,121.40-252,760,325.31

Finding the Fourth Proportional to 719,155,603.98, 1,078,782,121.40 and 252,760,325.31

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Solution

The fourth proportional to 719,155,603.98, 1,078,782,121.40 and 252,760,325.31 is: 379,157,609.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,155,603.98 : 1,078,782,121.40 = 252,760,325.31 : x
  2. Step 2: Convert to fraction form
    719,155,603.98/1,078,782,121.40 = 252,760,325.31/x
  3. Step 3: Cross multiply
    719,155,603.98x = 1,078,782,121.40 × 252,760,325.31
  4. Step 4: Simplify right side
    719,155,603.98x = 272,673,319,942,412,096
  5. Step 5: Solve for x
    x = 272,673,319,942,412,096/719,155,603.98
  6. Step 6: Final answer
    x = 379,157,609.89

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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.