Home / 644,339,841.10-889,160,310.30-376,440,516.04

Finding the Fourth Proportional to 644,339,841.10, 889,160,310.30 and 376,440,516.04

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Solution

The fourth proportional to 644,339,841.10, 889,160,310.30 and 376,440,516.04 is: 519,471,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,339,841.10 : 889,160,310.30 = 376,440,516.04 : x
  2. Step 2: Convert to fraction form
    644,339,841.10/889,160,310.30 = 376,440,516.04/x
  3. Step 3: Cross multiply
    644,339,841.10x = 889,160,310.30 × 376,440,516.04
  4. Step 4: Simplify right side
    644,339,841.10x = 334,715,966,051,618,560
  5. Step 5: Solve for x
    x = 334,715,966,051,618,560/644,339,841.10
  6. Step 6: Final answer
    x = 519,471,162.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.