Home / 2,653,269,841,997.80-3,980,302,706,848.50-931,914,782,897.60

Finding the Fourth Proportional to 2,653,269,841,997.80, 3,980,302,706,848.50 and 931,914,782,897.60

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Solution

The fourth proportional to 2,653,269,841,997.80, 3,980,302,706,848.50 and 931,914,782,897.60 is: 1,398,011,945,187.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653,269,841,997.80 : 3,980,302,706,848.50 = 931,914,782,897.60 : x
  2. Step 2: Convert to fraction form
    2,653,269,841,997.80/3,980,302,706,848.50 = 931,914,782,897.60/x
  3. Step 3: Cross multiply
    2,653,269,841,997.80x = 3,980,302,706,848.50 × 931,914,782,897.60
  4. Step 4: Simplify right side
    2,653,269,841,997.80x = 3,709,302,932,919,449,171,263,488
  5. Step 5: Solve for x
    x = 3,709,302,932,919,449,171,263,488/2,653,269,841,997.80
  6. Step 6: Final answer
    x = 1,398,011,945,187.79

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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.