Home / 756,651,886.45-1,134,977,829.68-464,571,912.85

Finding the Fourth Proportional to 756,651,886.45, 1,134,977,829.68 and 464,571,912.85

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Solution

The fourth proportional to 756,651,886.45, 1,134,977,829.68 and 464,571,912.85 is: 696,857,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,651,886.45 : 1,134,977,829.68 = 464,571,912.85 : x
  2. Step 2: Convert to fraction form
    756,651,886.45/1,134,977,829.68 = 464,571,912.85/x
  3. Step 3: Cross multiply
    756,651,886.45x = 1,134,977,829.68 × 464,571,912.85
  4. Step 4: Simplify right side
    756,651,886.45x = 527,278,821,374,456,256
  5. Step 5: Solve for x
    x = 527,278,821,374,456,256/756,651,886.45
  6. Step 6: Final answer
    x = 696,857,869.28

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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.