Home / 653,083,971.02-979,264,576.64-259,211,788.28

Finding the Fourth Proportional to 653,083,971.02, 979,264,576.64 and 259,211,788.28

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Solution

The fourth proportional to 653,083,971.02, 979,264,576.64 and 259,211,788.28 is: 388,674,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,083,971.02 : 979,264,576.64 = 259,211,788.28 : x
  2. Step 2: Convert to fraction form
    653,083,971.02/979,264,576.64 = 259,211,788.28/x
  3. Step 3: Cross multiply
    653,083,971.02x = 979,264,576.64 × 259,211,788.28
  4. Step 4: Simplify right side
    653,083,971.02x = 253,836,922,103,919,136
  5. Step 5: Solve for x
    x = 253,836,922,103,919,136/653,083,971.02
  6. Step 6: Final answer
    x = 388,674,249.21

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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.