Home / 874,580,450.20-1,312,374,560.10-329,713,019.80

Finding the Fourth Proportional to 874,580,450.20, 1,312,374,560.10 and 329,713,019.80

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Solution

The fourth proportional to 874,580,450.20, 1,312,374,560.10 and 329,713,019.80 is: 494,759,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,580,450.20 : 1,312,374,560.10 = 329,713,019.80 : x
  2. Step 2: Convert to fraction form
    874,580,450.20/1,312,374,560.10 = 329,713,019.80/x
  3. Step 3: Cross multiply
    874,580,450.20x = 1,312,374,560.10 × 329,713,019.80
  4. Step 4: Simplify right side
    874,580,450.20x = 432,706,979,319,267,584
  5. Step 5: Solve for x
    x = 432,706,979,319,267,584/874,580,450.20
  6. Step 6: Final answer
    x = 494,759,492.07

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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.