Home / 1,213,755,717-1,819,896,324.30-475,941,709.56

Finding the Fourth Proportional to 1,213,755,717, 1,819,896,324.30 and 475,941,709.56

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Solution

The fourth proportional to 1,213,755,717, 1,819,896,324.30 and 475,941,709.56 is: 713,623,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,755,717 : 1,819,896,324.30 = 475,941,709.56 : x
  2. Step 2: Convert to fraction form
    1,213,755,717/1,819,896,324.30 = 475,941,709.56/x
  3. Step 3: Cross multiply
    1,213,755,717x = 1,819,896,324.30 × 475,941,709.56
  4. Step 4: Simplify right side
    1,213,755,717x = 866,164,567,809,302,144
  5. Step 5: Solve for x
    x = 866,164,567,809,302,144/1,213,755,717
  6. Step 6: Final answer
    x = 713,623,471.08

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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.