Home / 1,116,438,693.40-1,674,658,040.10-461,171,940.40

Finding the Fourth Proportional to 1,116,438,693.40, 1,674,658,040.10 and 461,171,940.40

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Solution

The fourth proportional to 1,116,438,693.40, 1,674,658,040.10 and 461,171,940.40 is: 691,757,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,438,693.40 : 1,674,658,040.10 = 461,171,940.40 : x
  2. Step 2: Convert to fraction form
    1,116,438,693.40/1,674,658,040.10 = 461,171,940.40/x
  3. Step 3: Cross multiply
    1,116,438,693.40x = 1,674,658,040.10 × 461,171,940.40
  4. Step 4: Simplify right side
    1,116,438,693.40x = 772,305,297,859,377,920
  5. Step 5: Solve for x
    x = 772,305,297,859,377,920/1,116,438,693.40
  6. Step 6: Final answer
    x = 691,757,910.60

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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.