Home / 5,157,907,574.85-7,738,379,315.24-1,664,247,508.29

Finding the Fourth Proportional to 5,157,907,574.85, 7,738,379,315.24 and 1,664,247,508.29

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Solution

The fourth proportional to 5,157,907,574.85, 7,738,379,315.24 and 1,664,247,508.29 is: 2,496,861,044.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157,907,574.85 : 7,738,379,315.24 = 1,664,247,508.29 : x
  2. Step 2: Convert to fraction form
    5,157,907,574.85/7,738,379,315.24 = 1,664,247,508.29/x
  3. Step 3: Cross multiply
    5,157,907,574.85x = 7,738,379,315.24 × 1,664,247,508.29
  4. Step 4: Simplify right side
    5,157,907,574.85x = 12,878,578,493,582,725,120
  5. Step 5: Solve for x
    x = 12,878,578,493,582,725,120/5,157,907,574.85
  6. Step 6: Final answer
    x = 2,496,861,044.27

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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.