Home / 874,580,447.20-1,312,374,555.60-329,713,016.80

Finding the Fourth Proportional to 874,580,447.20, 1,312,374,555.60 and 329,713,016.80

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Solution

The fourth proportional to 874,580,447.20, 1,312,374,555.60 and 329,713,016.80 is: 494,759,487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,580,447.20 : 1,312,374,555.60 = 329,713,016.80 : x
  2. Step 2: Convert to fraction form
    874,580,447.20/1,312,374,555.60 = 329,713,016.80/x
  3. Step 3: Cross multiply
    874,580,447.20x = 1,312,374,555.60 × 329,713,016.80
  4. Step 4: Simplify right side
    874,580,447.20x = 432,706,973,898,435,328
  5. Step 5: Solve for x
    x = 432,706,973,898,435,328/874,580,447.20
  6. Step 6: Final answer
    x = 494,759,487.57

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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.