Home / 989,014,777.90-1,483,522,166.85-252,083,257.90

Finding the Fourth Proportional to 989,014,777.90, 1,483,522,166.85 and 252,083,257.90

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Solution

The fourth proportional to 989,014,777.90, 1,483,522,166.85 and 252,083,257.90 is: 378,124,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,014,777.90 : 1,483,522,166.85 = 252,083,257.90 : x
  2. Step 2: Convert to fraction form
    989,014,777.90/1,483,522,166.85 = 252,083,257.90/x
  3. Step 3: Cross multiply
    989,014,777.90x = 1,483,522,166.85 × 252,083,257.90
  4. Step 4: Simplify right side
    989,014,777.90x = 373,971,100,986,415,360
  5. Step 5: Solve for x
    x = 373,971,100,986,415,360/989,014,777.90
  6. Step 6: Final answer
    x = 378,124,886.85

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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.