Home / 21,214,162,659.53-31,795,041,080.60-18,205,074,531.60

Finding the Fourth Proportional to 21,214,162,659.53, 31,795,041,080.60 and 18,205,074,531.60

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Solution

The fourth proportional to 21,214,162,659.53, 31,795,041,080.60 and 18,205,074,531.60 is: 27,285,125,597.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,214,162,659.53 : 31,795,041,080.60 = 18,205,074,531.60 : x
  2. Step 2: Convert to fraction form
    21,214,162,659.53/31,795,041,080.60 = 18,205,074,531.60/x
  3. Step 3: Cross multiply
    21,214,162,659.53x = 31,795,041,080.60 × 18,205,074,531.60
  4. Step 4: Simplify right side
    21,214,162,659.53x = 578,831,092,607,529,648,128
  5. Step 5: Solve for x
    x = 578,831,092,607,529,648,128/21,214,162,659.53
  6. Step 6: Final answer
    x = 27,285,125,597.33

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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.