Home / 938,234,699.54-1,407,433,843.11-307,777,729.25

Finding the Fourth Proportional to 938,234,699.54, 1,407,433,843.11 and 307,777,729.25

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Solution

The fourth proportional to 938,234,699.54, 1,407,433,843.11 and 307,777,729.25 is: 461,693,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,234,699.54 : 1,407,433,843.11 = 307,777,729.25 : x
  2. Step 2: Convert to fraction form
    938,234,699.54/1,407,433,843.11 = 307,777,729.25/x
  3. Step 3: Cross multiply
    938,234,699.54x = 1,407,433,843.11 × 307,777,729.25
  4. Step 4: Simplify right side
    938,234,699.54x = 433,176,792,304,930,368
  5. Step 5: Solve for x
    x = 433,176,792,304,930,368/938,234,699.54
  6. Step 6: Final answer
    x = 461,693,425.45

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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.