Home / 769,071,638.70-1,153,607,472.69-186,801,961.02

Finding the Fourth Proportional to 769,071,638.70, 1,153,607,472.69 and 186,801,961.02

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Solution

The fourth proportional to 769,071,638.70, 1,153,607,472.69 and 186,801,961.02 is: 280,202,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,071,638.70 : 1,153,607,472.69 = 186,801,961.02 : x
  2. Step 2: Convert to fraction form
    769,071,638.70/1,153,607,472.69 = 186,801,961.02/x
  3. Step 3: Cross multiply
    769,071,638.70x = 1,153,607,472.69 × 186,801,961.02
  4. Step 4: Simplify right side
    769,071,638.70x = 215,496,138,145,818,112
  5. Step 5: Solve for x
    x = 215,496,138,145,818,112/769,071,638.70
  6. Step 6: Final answer
    x = 280,202,945.09

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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.