Home / 1,270,824,450.35-1,905,144,939.43-441,670,377.11

Finding the Fourth Proportional to 1,270,824,450.35, 1,905,144,939.43 and 441,670,377.11

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Solution

The fourth proportional to 1,270,824,450.35, 1,905,144,939.43 and 441,670,377.11 is: 662,126,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,824,450.35 : 1,905,144,939.43 = 441,670,377.11 : x
  2. Step 2: Convert to fraction form
    1,270,824,450.35/1,905,144,939.43 = 441,670,377.11/x
  3. Step 3: Cross multiply
    1,270,824,450.35x = 1,905,144,939.43 × 441,670,377.11
  4. Step 4: Simplify right side
    1,270,824,450.35x = 841,446,083,836,626,304
  5. Step 5: Solve for x
    x = 841,446,083,836,626,304/1,270,824,450.35
  6. Step 6: Final answer
    x = 662,126,136.78

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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.