Home / 550,593,985.50-759,839,749.31-299,686,258.85

Finding the Fourth Proportional to 550,593,985.50, 759,839,749.31 and 299,686,258.85

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Solution

The fourth proportional to 550,593,985.50, 759,839,749.31 and 299,686,258.85 is: 413,577,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,593,985.50 : 759,839,749.31 = 299,686,258.85 : x
  2. Step 2: Convert to fraction form
    550,593,985.50/759,839,749.31 = 299,686,258.85/x
  3. Step 3: Cross multiply
    550,593,985.50x = 759,839,749.31 × 299,686,258.85
  4. Step 4: Simplify right side
    550,593,985.50x = 227,713,531,793,185,792
  5. Step 5: Solve for x
    x = 227,713,531,793,185,792/550,593,985.50
  6. Step 6: Final answer
    x = 413,577,949.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.