Home / 988,023,265.32-1,481,889,118.19-288,327,532.41

Finding the Fourth Proportional to 988,023,265.32, 1,481,889,118.19 and 288,327,532.41

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Solution

The fourth proportional to 988,023,265.32, 1,481,889,118.19 and 288,327,532.41 is: 432,448,756.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,023,265.32 : 1,481,889,118.19 = 288,327,532.41 : x
  2. Step 2: Convert to fraction form
    988,023,265.32/1,481,889,118.19 = 288,327,532.41/x
  3. Step 3: Cross multiply
    988,023,265.32x = 1,481,889,118.19 × 288,327,532.41
  4. Step 4: Simplify right side
    988,023,265.32x = 427,269,432,751,511,936
  5. Step 5: Solve for x
    x = 427,269,432,751,511,936/988,023,265.32
  6. Step 6: Final answer
    x = 432,448,756.77

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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.