Home / 2,819,714,878.12-3,891,311,546.94-1,690,868,428.36

Finding the Fourth Proportional to 2,819,714,878.12, 3,891,311,546.94 and 1,690,868,428.36

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Solution

The fourth proportional to 2,819,714,878.12, 3,891,311,546.94 and 1,690,868,428.36 is: 2,333,461,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,714,878.12 : 3,891,311,546.94 = 1,690,868,428.36 : x
  2. Step 2: Convert to fraction form
    2,819,714,878.12/3,891,311,546.94 = 1,690,868,428.36/x
  3. Step 3: Cross multiply
    2,819,714,878.12x = 3,891,311,546.94 × 1,690,868,428.36
  4. Step 4: Simplify right side
    2,819,714,878.12x = 6,579,695,839,633,557,504
  5. Step 5: Solve for x
    x = 6,579,695,839,633,557,504/2,819,714,878.12
  6. Step 6: Final answer
    x = 2,333,461,404.45

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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.