Home / 988,972,818.20-1,483,671,803.70-298,949,823.80

Finding the Fourth Proportional to 988,972,818.20, 1,483,671,803.70 and 298,949,823.80

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Solution

The fourth proportional to 988,972,818.20, 1,483,671,803.70 and 298,949,823.80 is: 448,488,993.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,972,818.20 : 1,483,671,803.70 = 298,949,823.80 : x
  2. Step 2: Convert to fraction form
    988,972,818.20/1,483,671,803.70 = 298,949,823.80/x
  3. Step 3: Cross multiply
    988,972,818.20x = 1,483,671,803.70 × 298,949,823.80
  4. Step 4: Simplify right side
    988,972,818.20x = 443,543,424,293,143,232
  5. Step 5: Solve for x
    x = 443,543,424,293,143,232/988,972,818.20
  6. Step 6: Final answer
    x = 448,488,993.96

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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.