Home / 626,726,563.80-940,089,845.70-540,633,121.80

Finding the Fourth Proportional to 626,726,563.80, 940,089,845.70 and 540,633,121.80

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Solution

The fourth proportional to 626,726,563.80, 940,089,845.70 and 540,633,121.80 is: 810,949,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,726,563.80 : 940,089,845.70 = 540,633,121.80 : x
  2. Step 2: Convert to fraction form
    626,726,563.80/940,089,845.70 = 540,633,121.80/x
  3. Step 3: Cross multiply
    626,726,563.80x = 940,089,845.70 × 540,633,121.80
  4. Step 4: Simplify right side
    626,726,563.80x = 508,243,708,053,271,296
  5. Step 5: Solve for x
    x = 508,243,708,053,271,296/626,726,563.80
  6. Step 6: Final answer
    x = 810,949,682.70

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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.