Home / 655,248,525-983,010,826.11-212,556,638.27

Finding the Fourth Proportional to 655,248,525, 983,010,826.11 and 212,556,638.27

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Solution

The fourth proportional to 655,248,525, 983,010,826.11 and 212,556,638.27 is: 318,879,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,248,525 : 983,010,826.11 = 212,556,638.27 : x
  2. Step 2: Convert to fraction form
    655,248,525/983,010,826.11 = 212,556,638.27/x
  3. Step 3: Cross multiply
    655,248,525x = 983,010,826.11 × 212,556,638.27
  4. Step 4: Simplify right side
    655,248,525x = 208,945,476,574,979,296
  5. Step 5: Solve for x
    x = 208,945,476,574,979,296/655,248,525
  6. Step 6: Final answer
    x = 318,879,735.86

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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.