Home / 839,834,020.20-1,259,751,030.30-294,630,666.60

Finding the Fourth Proportional to 839,834,020.20, 1,259,751,030.30 and 294,630,666.60

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Solution

The fourth proportional to 839,834,020.20, 1,259,751,030.30 and 294,630,666.60 is: 441,945,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,834,020.20 : 1,259,751,030.30 = 294,630,666.60 : x
  2. Step 2: Convert to fraction form
    839,834,020.20/1,259,751,030.30 = 294,630,666.60/x
  3. Step 3: Cross multiply
    839,834,020.20x = 1,259,751,030.30 × 294,630,666.60
  4. Step 4: Simplify right side
    839,834,020.20x = 371,161,285,807,325,824
  5. Step 5: Solve for x
    x = 371,161,285,807,325,824/839,834,020.20
  6. Step 6: Final answer
    x = 441,945,999.90

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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.