Home / 619,458,154.26-855,032,772.33-404,907,965.70

Finding the Fourth Proportional to 619,458,154.26, 855,032,772.33 and 404,907,965.70

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Solution

The fourth proportional to 619,458,154.26, 855,032,772.33 and 404,907,965.70 is: 558,890,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,458,154.26 : 855,032,772.33 = 404,907,965.70 : x
  2. Step 2: Convert to fraction form
    619,458,154.26/855,032,772.33 = 404,907,965.70/x
  3. Step 3: Cross multiply
    619,458,154.26x = 855,032,772.33 × 404,907,965.70
  4. Step 4: Simplify right side
    619,458,154.26x = 346,209,580,450,971,584
  5. Step 5: Solve for x
    x = 346,209,580,450,971,584/619,458,154.26
  6. Step 6: Final answer
    x = 558,890,988.96

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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.