Home / 1,802,756,123,215-2,487,863,112,768.80-990,799,986,019.44

Finding the Fourth Proportional to 1,802,756,123,215, 2,487,863,112,768.80 and 990,799,986,019.44

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Solution

The fourth proportional to 1,802,756,123,215, 2,487,863,112,768.80 and 990,799,986,019.44 is: 1,367,336,771,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,756,123,215 : 2,487,863,112,768.80 = 990,799,986,019.44 : x
  2. Step 2: Convert to fraction form
    1,802,756,123,215/2,487,863,112,768.80 = 990,799,986,019.44/x
  3. Step 3: Cross multiply
    1,802,756,123,215x = 2,487,863,112,768.80 × 990,799,986,019.44
  4. Step 4: Simplify right side
    1,802,756,123,215x = 2,464,974,737,349,607,084,261,376
  5. Step 5: Solve for x
    x = 2,464,974,737,349,607,084,261,376/1,802,756,123,215
  6. Step 6: Final answer
    x = 1,367,336,771,517.17

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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.