Home / 4,938,800,630.32-7,409,656,251.66-1,989,562,633.48

Finding the Fourth Proportional to 4,938,800,630.32, 7,409,656,251.66 and 1,989,562,633.48

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Solution

The fourth proportional to 4,938,800,630.32, 7,409,656,251.66 and 1,989,562,633.48 is: 2,984,930,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938,800,630.32 : 7,409,656,251.66 = 1,989,562,633.48 : x
  2. Step 2: Convert to fraction form
    4,938,800,630.32/7,409,656,251.66 = 1,989,562,633.48/x
  3. Step 3: Cross multiply
    4,938,800,630.32x = 7,409,656,251.66 × 1,989,562,633.48
  4. Step 4: Simplify right side
    4,938,800,630.32x = 14,741,975,205,234,214,912
  5. Step 5: Solve for x
    x = 14,741,975,205,234,214,912/4,938,800,630.32
  6. Step 6: Final answer
    x = 2,984,930,210.53

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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.