Home / 3,927,631,684,421.80-5,419,345,628,928-2,193,174,368,949.20

Finding the Fourth Proportional to 3,927,631,684,421.80, 5,419,345,628,928 and 2,193,174,368,949.20

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Solution

The fourth proportional to 3,927,631,684,421.80, 5,419,345,628,928 and 2,193,174,368,949.20 is: 3,026,141,676,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,631,684,421.80 : 5,419,345,628,928 = 2,193,174,368,949.20 : x
  2. Step 2: Convert to fraction form
    3,927,631,684,421.80/5,419,345,628,928 = 2,193,174,368,949.20/x
  3. Step 3: Cross multiply
    3,927,631,684,421.80x = 5,419,345,628,928 × 2,193,174,368,949.20
  4. Step 4: Simplify right side
    3,927,631,684,421.80x = 11,885,569,929,841,772,591,054,848
  5. Step 5: Solve for x
    x = 11,885,569,929,841,772,591,054,848/3,927,631,684,421.80
  6. Step 6: Final answer
    x = 3,026,141,676,416.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.