Home / 994,085,596.31-1,491,343,639.04-380,669,843.93

Finding the Fourth Proportional to 994,085,596.31, 1,491,343,639.04 and 380,669,843.93

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Solution

The fourth proportional to 994,085,596.31, 1,491,343,639.04 and 380,669,843.93 is: 571,087,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,085,596.31 : 1,491,343,639.04 = 380,669,843.93 : x
  2. Step 2: Convert to fraction form
    994,085,596.31/1,491,343,639.04 = 380,669,843.93/x
  3. Step 3: Cross multiply
    994,085,596.31x = 1,491,343,639.04 × 380,669,843.93
  4. Step 4: Simplify right side
    994,085,596.31x = 567,709,550,319,355,072
  5. Step 5: Solve for x
    x = 567,709,550,319,355,072/994,085,596.31
  6. Step 6: Final answer
    x = 571,087,190.51

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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.