Home / 921,678,511.56-1,382,519,167.14-376,420,045.56

Finding the Fourth Proportional to 921,678,511.56, 1,382,519,167.14 and 376,420,045.56

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Solution

The fourth proportional to 921,678,511.56, 1,382,519,167.14 and 376,420,045.56 is: 564,630,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,678,511.56 : 1,382,519,167.14 = 376,420,045.56 : x
  2. Step 2: Convert to fraction form
    921,678,511.56/1,382,519,167.14 = 376,420,045.56/x
  3. Step 3: Cross multiply
    921,678,511.56x = 1,382,519,167.14 × 376,420,045.56
  4. Step 4: Simplify right side
    921,678,511.56x = 520,407,927,882,412,096
  5. Step 5: Solve for x
    x = 520,407,927,882,412,096/921,678,511.56
  6. Step 6: Final answer
    x = 564,630,640.03

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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.