Home / 2,189,348,176.40-3,279,443,755.80-1,025,809,744.40

Finding the Fourth Proportional to 2,189,348,176.40, 3,279,443,755.80 and 1,025,809,744.40

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Solution

The fourth proportional to 2,189,348,176.40, 3,279,443,755.80 and 1,025,809,744.40 is: 1,536,569,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,348,176.40 : 3,279,443,755.80 = 1,025,809,744.40 : x
  2. Step 2: Convert to fraction form
    2,189,348,176.40/3,279,443,755.80 = 1,025,809,744.40/x
  3. Step 3: Cross multiply
    2,189,348,176.40x = 3,279,443,755.80 × 1,025,809,744.40
  4. Step 4: Simplify right side
    2,189,348,176.40x = 3,364,085,360,911,374,336
  5. Step 5: Solve for x
    x = 3,364,085,360,911,374,336/2,189,348,176.40
  6. Step 6: Final answer
    x = 1,536,569,375.84

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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.