Home / 13,908,027,688.60-20,854,875,171.30-5,179,399,259.80

Finding the Fourth Proportional to 13,908,027,688.60, 20,854,875,171.30 and 5,179,399,259.80

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Solution

The fourth proportional to 13,908,027,688.60, 20,854,875,171.30 and 5,179,399,259.80 is: 7,766,430,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908,027,688.60 : 20,854,875,171.30 = 5,179,399,259.80 : x
  2. Step 2: Convert to fraction form
    13,908,027,688.60/20,854,875,171.30 = 5,179,399,259.80/x
  3. Step 3: Cross multiply
    13,908,027,688.60x = 20,854,875,171.30 × 5,179,399,259.80
  4. Step 4: Simplify right side
    13,908,027,688.60x = 108,015,725,025,452,621,824
  5. Step 5: Solve for x
    x = 108,015,725,025,452,621,824/13,908,027,688.60
  6. Step 6: Final answer
    x = 7,766,430,111.01

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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.