Home / 874,580,452.70-1,312,374,563.85-329,713,022.30

Finding the Fourth Proportional to 874,580,452.70, 1,312,374,563.85 and 329,713,022.30

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Solution

The fourth proportional to 874,580,452.70, 1,312,374,563.85 and 329,713,022.30 is: 494,759,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,580,452.70 : 1,312,374,563.85 = 329,713,022.30 : x
  2. Step 2: Convert to fraction form
    874,580,452.70/1,312,374,563.85 = 329,713,022.30/x
  3. Step 3: Cross multiply
    874,580,452.70x = 1,312,374,563.85 × 329,713,022.30
  4. Step 4: Simplify right side
    874,580,452.70x = 432,706,983,836,627,840
  5. Step 5: Solve for x
    x = 432,706,983,836,627,840/874,580,452.70
  6. Step 6: Final answer
    x = 494,759,495.83

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Double scale
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1.5x scale

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.