Home / 1,738,445,986.51-2,607,685,121.30-494,876,406.88

Finding the Fourth Proportional to 1,738,445,986.51, 2,607,685,121.30 and 494,876,406.88

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Solution

The fourth proportional to 1,738,445,986.51, 2,607,685,121.30 and 494,876,406.88 is: 742,319,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,445,986.51 : 2,607,685,121.30 = 494,876,406.88 : x
  2. Step 2: Convert to fraction form
    1,738,445,986.51/2,607,685,121.30 = 494,876,406.88/x
  3. Step 3: Cross multiply
    1,738,445,986.51x = 2,607,685,121.30 × 494,876,406.88
  4. Step 4: Simplify right side
    1,738,445,986.51x = 1,290,481,843,098,098,688
  5. Step 5: Solve for x
    x = 1,290,481,843,098,098,688/1,738,445,986.51
  6. Step 6: Final answer
    x = 742,319,205.26

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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.