Home / 364,477,019.60-502,792,986.44-221,384,704.80

Finding the Fourth Proportional to 364,477,019.60, 502,792,986.44 and 221,384,704.80

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Solution

The fourth proportional to 364,477,019.60, 502,792,986.44 and 221,384,704.80 is: 305,398,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,477,019.60 : 502,792,986.44 = 221,384,704.80 : x
  2. Step 2: Convert to fraction form
    364,477,019.60/502,792,986.44 = 221,384,704.80/x
  3. Step 3: Cross multiply
    364,477,019.60x = 502,792,986.44 × 221,384,704.80
  4. Step 4: Simplify right side
    364,477,019.60x = 111,310,676,878,529,808
  5. Step 5: Solve for x
    x = 111,310,676,878,529,808/364,477,019.60
  6. Step 6: Final answer
    x = 305,398,340.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.