Home / 2,189,348,180.40-3,279,443,761.80-1,025,809,748.40

Finding the Fourth Proportional to 2,189,348,180.40, 3,279,443,761.80 and 1,025,809,748.40

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Solution

The fourth proportional to 2,189,348,180.40, 3,279,443,761.80 and 1,025,809,748.40 is: 1,536,569,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,348,180.40 : 3,279,443,761.80 = 1,025,809,748.40 : x
  2. Step 2: Convert to fraction form
    2,189,348,180.40/3,279,443,761.80 = 1,025,809,748.40/x
  3. Step 3: Cross multiply
    2,189,348,180.40x = 3,279,443,761.80 × 1,025,809,748.40
  4. Step 4: Simplify right side
    2,189,348,180.40x = 3,364,085,380,184,007,680
  5. Step 5: Solve for x
    x = 3,364,085,380,184,007,680/2,189,348,180.40
  6. Step 6: Final answer
    x = 1,536,569,381.84

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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.