Home / 3,119,479,218.40-4,678,085,086.80-1,049,268,517.60

Finding the Fourth Proportional to 3,119,479,218.40, 4,678,085,086.80 and 1,049,268,517.60

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Solution

The fourth proportional to 3,119,479,218.40, 4,678,085,086.80 and 1,049,268,517.60 is: 1,573,521,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,479,218.40 : 4,678,085,086.80 = 1,049,268,517.60 : x
  2. Step 2: Convert to fraction form
    3,119,479,218.40/4,678,085,086.80 = 1,049,268,517.60/x
  3. Step 3: Cross multiply
    3,119,479,218.40x = 4,678,085,086.80 × 1,049,268,517.60
  4. Step 4: Simplify right side
    3,119,479,218.40x = 4,908,567,404,233,304,064
  5. Step 5: Solve for x
    x = 4,908,567,404,233,304,064/3,119,479,218.40
  6. Step 6: Final answer
    x = 1,573,521,431.17

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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.