Home / 1,299,084,807.90-1,948,627,211.85-885,836,286.30

Finding the Fourth Proportional to 1,299,084,807.90, 1,948,627,211.85 and 885,836,286.30

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Solution

The fourth proportional to 1,299,084,807.90, 1,948,627,211.85 and 885,836,286.30 is: 1,328,754,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,084,807.90 : 1,948,627,211.85 = 885,836,286.30 : x
  2. Step 2: Convert to fraction form
    1,299,084,807.90/1,948,627,211.85 = 885,836,286.30/x
  3. Step 3: Cross multiply
    1,299,084,807.90x = 1,948,627,211.85 × 885,836,286.30
  4. Step 4: Simplify right side
    1,299,084,807.90x = 1,726,164,692,728,327,168
  5. Step 5: Solve for x
    x = 1,726,164,692,728,327,168/1,299,084,807.90
  6. Step 6: Final answer
    x = 1,328,754,429.45

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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.