Home / 980,172,002.80-1,470,258,004.20-758,242,241.20

Finding the Fourth Proportional to 980,172,002.80, 1,470,258,004.20 and 758,242,241.20

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Solution

The fourth proportional to 980,172,002.80, 1,470,258,004.20 and 758,242,241.20 is: 1,137,363,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,172,002.80 : 1,470,258,004.20 = 758,242,241.20 : x
  2. Step 2: Convert to fraction form
    980,172,002.80/1,470,258,004.20 = 758,242,241.20/x
  3. Step 3: Cross multiply
    980,172,002.80x = 1,470,258,004.20 × 758,242,241.20
  4. Step 4: Simplify right side
    980,172,002.80x = 1,114,811,724,246,847,104
  5. Step 5: Solve for x
    x = 1,114,811,724,246,847,104/980,172,002.80
  6. Step 6: Final answer
    x = 1,137,363,361.80

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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.