Home / 13,908,027,681.60-20,854,875,160.80-5,179,399,252.80

Finding the Fourth Proportional to 13,908,027,681.60, 20,854,875,160.80 and 5,179,399,252.80

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Solution

The fourth proportional to 13,908,027,681.60, 20,854,875,160.80 and 5,179,399,252.80 is: 7,766,430,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908,027,681.60 : 20,854,875,160.80 = 5,179,399,252.80 : x
  2. Step 2: Convert to fraction form
    13,908,027,681.60/20,854,875,160.80 = 5,179,399,252.80/x
  3. Step 3: Cross multiply
    13,908,027,681.60x = 20,854,875,160.80 × 5,179,399,252.80
  4. Step 4: Simplify right side
    13,908,027,681.60x = 108,015,724,825,084,805,120
  5. Step 5: Solve for x
    x = 108,015,724,825,084,805,120/13,908,027,681.60
  6. Step 6: Final answer
    x = 7,766,430,100.51

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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.