Home / 20,626,039,913.25-30,907,481,562.61-13,878,188,026.59

Finding the Fourth Proportional to 20,626,039,913.25, 30,907,481,562.61 and 13,878,188,026.59

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Solution

The fourth proportional to 20,626,039,913.25, 30,907,481,562.61 and 13,878,188,026.59 is: 20,796,034,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626,039,913.25 : 30,907,481,562.61 = 13,878,188,026.59 : x
  2. Step 2: Convert to fraction form
    20,626,039,913.25/30,907,481,562.61 = 13,878,188,026.59/x
  3. Step 3: Cross multiply
    20,626,039,913.25x = 30,907,481,562.61 × 13,878,188,026.59
  4. Step 4: Simplify right side
    20,626,039,913.25x = 428,939,840,554,195,877,888
  5. Step 5: Solve for x
    x = 428,939,840,554,195,877,888/20,626,039,913.25
  6. Step 6: Final answer
    x = 20,796,034,641.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.