Home / 1,212,247,283,576-1,672,911,683,757.80-691,429,082,806.21

Finding the Fourth Proportional to 1,212,247,283,576, 1,672,911,683,757.80 and 691,429,082,806.21

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Solution

The fourth proportional to 1,212,247,283,576, 1,672,911,683,757.80 and 691,429,082,806.21 is: 954,178,084,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,247,283,576 : 1,672,911,683,757.80 = 691,429,082,806.21 : x
  2. Step 2: Convert to fraction form
    1,212,247,283,576/1,672,911,683,757.80 = 691,429,082,806.21/x
  3. Step 3: Cross multiply
    1,212,247,283,576x = 1,672,911,683,757.80 × 691,429,082,806.21
  4. Step 4: Simplify right side
    1,212,247,283,576x = 1,156,699,791,116,448,074,563,584
  5. Step 5: Solve for x
    x = 1,156,699,791,116,448,074,563,584/1,212,247,283,576
  6. Step 6: Final answer
    x = 954,178,084,610.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.