Home / 1,259,713,477.20-1,889,570,215.80-1,213,796,974.80

Finding the Fourth Proportional to 1,259,713,477.20, 1,889,570,215.80 and 1,213,796,974.80

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Solution

The fourth proportional to 1,259,713,477.20, 1,889,570,215.80 and 1,213,796,974.80 is: 1,820,695,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,713,477.20 : 1,889,570,215.80 = 1,213,796,974.80 : x
  2. Step 2: Convert to fraction form
    1,259,713,477.20/1,889,570,215.80 = 1,213,796,974.80/x
  3. Step 3: Cross multiply
    1,259,713,477.20x = 1,889,570,215.80 × 1,213,796,974.80
  4. Step 4: Simplify right side
    1,259,713,477.20x = 2,293,554,611,610,223,104
  5. Step 5: Solve for x
    x = 2,293,554,611,610,223,104/1,259,713,477.20
  6. Step 6: Final answer
    x = 1,820,695,462.20

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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.