Home / 1,979,509,989.18-2,731,725,575.46-1,087,494,500.62

Finding the Fourth Proportional to 1,979,509,989.18, 2,731,725,575.46 and 1,087,494,500.62

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Solution

The fourth proportional to 1,979,509,989.18, 2,731,725,575.46 and 1,087,494,500.62 is: 1,500,743,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,509,989.18 : 2,731,725,575.46 = 1,087,494,500.62 : x
  2. Step 2: Convert to fraction form
    1,979,509,989.18/2,731,725,575.46 = 1,087,494,500.62/x
  3. Step 3: Cross multiply
    1,979,509,989.18x = 2,731,725,575.46 × 1,087,494,500.62
  4. Step 4: Simplify right side
    1,979,509,989.18x = 2,970,736,540,515,754,496
  5. Step 5: Solve for x
    x = 2,970,736,540,515,754,496/1,979,509,989.18
  6. Step 6: Final answer
    x = 1,500,743,394.45

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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.