Home / 1,918,394,071.17-2,647,102,038.53-1,071,517,065.09

Finding the Fourth Proportional to 1,918,394,071.17, 2,647,102,038.53 and 1,071,517,065.09

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Solution

The fourth proportional to 1,918,394,071.17, 2,647,102,038.53 and 1,071,517,065.09 is: 1,478,536,162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,394,071.17 : 2,647,102,038.53 = 1,071,517,065.09 : x
  2. Step 2: Convert to fraction form
    1,918,394,071.17/2,647,102,038.53 = 1,071,517,065.09/x
  3. Step 3: Cross multiply
    1,918,394,071.17x = 2,647,102,038.53 × 1,071,517,065.09
  4. Step 4: Simplify right side
    1,918,394,071.17x = 2,836,415,007,314,064,384
  5. Step 5: Solve for x
    x = 2,836,415,007,314,064,384/1,918,394,071.17
  6. Step 6: Final answer
    x = 1,478,536,162.06

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Double scale
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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.