Home / 743,689,694.08-1,114,241,761.26-521,890,627.60

Finding the Fourth Proportional to 743,689,694.08, 1,114,241,761.26 and 521,890,627.60

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Solution

The fourth proportional to 743,689,694.08, 1,114,241,761.26 and 521,890,627.60 is: 781,928,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,689,694.08 : 1,114,241,761.26 = 521,890,627.60 : x
  2. Step 2: Convert to fraction form
    743,689,694.08/1,114,241,761.26 = 521,890,627.60/x
  3. Step 3: Cross multiply
    743,689,694.08x = 1,114,241,761.26 × 521,890,627.60
  4. Step 4: Simplify right side
    743,689,694.08x = 581,512,332,082,110,848
  5. Step 5: Solve for x
    x = 581,512,332,082,110,848/743,689,694.08
  6. Step 6: Final answer
    x = 781,928,722.03

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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.