Home / 1,979,509,984.67-2,731,725,569.25-1,087,494,496.12

Finding the Fourth Proportional to 1,979,509,984.67, 2,731,725,569.25 and 1,087,494,496.12

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Solution

The fourth proportional to 1,979,509,984.67, 2,731,725,569.25 and 1,087,494,496.12 is: 1,500,743,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,509,984.67 : 2,731,725,569.25 = 1,087,494,496.12 : x
  2. Step 2: Convert to fraction form
    1,979,509,984.67/2,731,725,569.25 = 1,087,494,496.12/x
  3. Step 3: Cross multiply
    1,979,509,984.67x = 2,731,725,569.25 × 1,087,494,496.12
  4. Step 4: Simplify right side
    1,979,509,984.67x = 2,970,736,521,462,819,840
  5. Step 5: Solve for x
    x = 2,970,736,521,462,819,840/1,979,509,984.67
  6. Step 6: Final answer
    x = 1,500,743,388.25

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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.