Home / 1,948,640,892.32-2,922,814,327.44-620,615,266.40

Finding the Fourth Proportional to 1,948,640,892.32, 2,922,814,327.44 and 620,615,266.40

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Solution

The fourth proportional to 1,948,640,892.32, 2,922,814,327.44 and 620,615,266.40 is: 930,876,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,640,892.32 : 2,922,814,327.44 = 620,615,266.40 : x
  2. Step 2: Convert to fraction form
    1,948,640,892.32/2,922,814,327.44 = 620,615,266.40/x
  3. Step 3: Cross multiply
    1,948,640,892.32x = 2,922,814,327.44 × 620,615,266.40
  4. Step 4: Simplify right side
    1,948,640,892.32x = 1,813,943,192,461,912,320
  5. Step 5: Solve for x
    x = 1,813,943,192,461,912,320/1,948,640,892.32
  6. Step 6: Final answer
    x = 930,876,078.61

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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.