Home / 1,244,393,042.86-1,866,565,536.36-371,585,798.38

Finding the Fourth Proportional to 1,244,393,042.86, 1,866,565,536.36 and 371,585,798.38

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Solution

The fourth proportional to 1,244,393,042.86, 1,866,565,536.36 and 371,585,798.38 is: 557,371,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,393,042.86 : 1,866,565,536.36 = 371,585,798.38 : x
  2. Step 2: Convert to fraction form
    1,244,393,042.86/1,866,565,536.36 = 371,585,798.38/x
  3. Step 3: Cross multiply
    1,244,393,042.86x = 1,866,565,536.36 × 371,585,798.38
  4. Step 4: Simplify right side
    1,244,393,042.86x = 693,589,245,056,923,520
  5. Step 5: Solve for x
    x = 693,589,245,056,923,520/1,244,393,042.86
  6. Step 6: Final answer
    x = 557,371,522.64

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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.