Home / 1,342,321,714.60-2,013,482,571.90-422,480,012.20

Finding the Fourth Proportional to 1,342,321,714.60, 2,013,482,571.90 and 422,480,012.20

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Solution

The fourth proportional to 1,342,321,714.60, 2,013,482,571.90 and 422,480,012.20 is: 633,720,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,321,714.60 : 2,013,482,571.90 = 422,480,012.20 : x
  2. Step 2: Convert to fraction form
    1,342,321,714.60/2,013,482,571.90 = 422,480,012.20/x
  3. Step 3: Cross multiply
    1,342,321,714.60x = 2,013,482,571.90 × 422,480,012.20
  4. Step 4: Simplify right side
    1,342,321,714.60x = 850,656,141,540,799,360
  5. Step 5: Solve for x
    x = 850,656,141,540,799,360/1,342,321,714.60
  6. Step 6: Final answer
    x = 633,720,018.30

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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.