Home / 4,968,142,649.60-7,445,883,921.60-2,640,194,873.60

Finding the Fourth Proportional to 4,968,142,649.60, 7,445,883,921.60 and 2,640,194,873.60

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Solution

The fourth proportional to 4,968,142,649.60, 7,445,883,921.60 and 2,640,194,873.60 is: 3,956,928,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968,142,649.60 : 7,445,883,921.60 = 2,640,194,873.60 : x
  2. Step 2: Convert to fraction form
    4,968,142,649.60/7,445,883,921.60 = 2,640,194,873.60/x
  3. Step 3: Cross multiply
    4,968,142,649.60x = 7,445,883,921.60 × 2,640,194,873.60
  4. Step 4: Simplify right side
    4,968,142,649.60x = 19,658,584,559,228,985,344
  5. Step 5: Solve for x
    x = 19,658,584,559,228,985,344/4,968,142,649.60
  6. Step 6: Final answer
    x = 3,956,928,362.52

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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.