Home / 611,438,149.68-917,131,605.57-196,905,795.36

Finding the Fourth Proportional to 611,438,149.68, 917,131,605.57 and 196,905,795.36

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Solution

The fourth proportional to 611,438,149.68, 917,131,605.57 and 196,905,795.36 is: 295,350,442.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,438,149.68 : 917,131,605.57 = 196,905,795.36 : x
  2. Step 2: Convert to fraction form
    611,438,149.68/917,131,605.57 = 196,905,795.36/x
  3. Step 3: Cross multiply
    611,438,149.68x = 917,131,605.57 × 196,905,795.36
  4. Step 4: Simplify right side
    611,438,149.68x = 180,588,528,244,554,688
  5. Step 5: Solve for x
    x = 180,588,528,244,554,688/611,438,149.68
  6. Step 6: Final answer
    x = 295,350,442.79

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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.