Home / 869,259,297.60-1,303,441,048.80-323,720,020.80

Finding the Fourth Proportional to 869,259,297.60, 1,303,441,048.80 and 323,720,020.80

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Solution

The fourth proportional to 869,259,297.60, 1,303,441,048.80 and 323,720,020.80 is: 485,413,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,259,297.60 : 1,303,441,048.80 = 323,720,020.80 : x
  2. Step 2: Convert to fraction form
    869,259,297.60/1,303,441,048.80 = 323,720,020.80/x
  3. Step 3: Cross multiply
    869,259,297.60x = 1,303,441,048.80 × 323,720,020.80
  4. Step 4: Simplify right side
    869,259,297.60x = 421,949,963,429,109,824
  5. Step 5: Solve for x
    x = 421,949,963,429,109,824/869,259,297.60
  6. Step 6: Final answer
    x = 485,413,230.08

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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.