Home / 988,946,951.70-1,483,420,427.55-298,960,698.90

Finding the Fourth Proportional to 988,946,951.70, 1,483,420,427.55 and 298,960,698.90

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Solution

The fourth proportional to 988,946,951.70, 1,483,420,427.55 and 298,960,698.90 is: 448,441,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,946,951.70 : 1,483,420,427.55 = 298,960,698.90 : x
  2. Step 2: Convert to fraction form
    988,946,951.70/1,483,420,427.55 = 298,960,698.90/x
  3. Step 3: Cross multiply
    988,946,951.70x = 1,483,420,427.55 × 298,960,698.90
  4. Step 4: Simplify right side
    988,946,951.70x = 443,484,407,782,884,736
  5. Step 5: Solve for x
    x = 443,484,407,782,884,736/988,946,951.70
  6. Step 6: Final answer
    x = 448,441,048.35

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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.