Home / 989,443,311.56-1,484,164,122.59-252,513,157.08

Finding the Fourth Proportional to 989,443,311.56, 1,484,164,122.59 and 252,513,157.08

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Solution

The fourth proportional to 989,443,311.56, 1,484,164,122.59 and 252,513,157.08 is: 378,769,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,443,311.56 : 1,484,164,122.59 = 252,513,157.08 : x
  2. Step 2: Convert to fraction form
    989,443,311.56/1,484,164,122.59 = 252,513,157.08/x
  3. Step 3: Cross multiply
    989,443,311.56x = 1,484,164,122.59 × 252,513,157.08
  4. Step 4: Simplify right side
    989,443,311.56x = 374,770,968,226,265,920
  5. Step 5: Solve for x
    x = 374,770,968,226,265,920/989,443,311.56
  6. Step 6: Final answer
    x = 378,769,520.04

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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.