Home / 874,584,102.70-1,312,380,038.85-329,716,672.30

Finding the Fourth Proportional to 874,584,102.70, 1,312,380,038.85 and 329,716,672.30

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Solution

The fourth proportional to 874,584,102.70, 1,312,380,038.85 and 329,716,672.30 is: 494,764,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,584,102.70 : 1,312,380,038.85 = 329,716,672.30 : x
  2. Step 2: Convert to fraction form
    874,584,102.70/1,312,380,038.85 = 329,716,672.30/x
  3. Step 3: Cross multiply
    874,584,102.70x = 1,312,380,038.85 × 329,716,672.30
  4. Step 4: Simplify right side
    874,584,102.70x = 432,713,579,202,566,720
  5. Step 5: Solve for x
    x = 432,713,579,202,566,720/874,584,102.70
  6. Step 6: Final answer
    x = 494,764,972.14

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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.