Home / 1,091,394,531.36-1,637,098,882.92-436,400,584.74

Finding the Fourth Proportional to 1,091,394,531.36, 1,637,098,882.92 and 436,400,584.74

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Solution

The fourth proportional to 1,091,394,531.36, 1,637,098,882.92 and 436,400,584.74 is: 654,603,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,394,531.36 : 1,637,098,882.92 = 436,400,584.74 : x
  2. Step 2: Convert to fraction form
    1,091,394,531.36/1,637,098,882.92 = 436,400,584.74/x
  3. Step 3: Cross multiply
    1,091,394,531.36x = 1,637,098,882.92 × 436,400,584.74
  4. Step 4: Simplify right side
    1,091,394,531.36x = 714,430,909,783,488,896
  5. Step 5: Solve for x
    x = 714,430,909,783,488,896/1,091,394,531.36
  6. Step 6: Final answer
    x = 654,603,710.44

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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.