Home / 4,968,142,643.60-7,445,883,912.60-2,640,194,867.60

Finding the Fourth Proportional to 4,968,142,643.60, 7,445,883,912.60 and 2,640,194,867.60

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Solution

The fourth proportional to 4,968,142,643.60, 7,445,883,912.60 and 2,640,194,867.60 is: 3,956,928,353.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968,142,643.60 : 7,445,883,912.60 = 2,640,194,867.60 : x
  2. Step 2: Convert to fraction form
    4,968,142,643.60/7,445,883,912.60 = 2,640,194,867.60/x
  3. Step 3: Cross multiply
    4,968,142,643.60x = 7,445,883,912.60 × 2,640,194,867.60
  4. Step 4: Simplify right side
    4,968,142,643.60x = 19,658,584,490,791,927,808
  5. Step 5: Solve for x
    x = 19,658,584,490,791,927,808/4,968,142,643.60
  6. Step 6: Final answer
    x = 3,956,928,353.52

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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.