Home / 874,367,996.40-1,311,551,994.60-228,135,740.40

Finding the Fourth Proportional to 874,367,996.40, 1,311,551,994.60 and 228,135,740.40

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Solution

The fourth proportional to 874,367,996.40, 1,311,551,994.60 and 228,135,740.40 is: 342,203,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,367,996.40 : 1,311,551,994.60 = 228,135,740.40 : x
  2. Step 2: Convert to fraction form
    874,367,996.40/1,311,551,994.60 = 228,135,740.40/x
  3. Step 3: Cross multiply
    874,367,996.40x = 1,311,551,994.60 × 228,135,740.40
  4. Step 4: Simplify right side
    874,367,996.40x = 299,211,885,361,167,808
  5. Step 5: Solve for x
    x = 299,211,885,361,167,808/874,367,996.40
  6. Step 6: Final answer
    x = 342,203,610.60

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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.