Home / 355,968,055.80-533,952,083.70-253,175,556.60

Finding the Fourth Proportional to 355,968,055.80, 533,952,083.70 and 253,175,556.60

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Solution

The fourth proportional to 355,968,055.80, 533,952,083.70 and 253,175,556.60 is: 379,763,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,968,055.80 : 533,952,083.70 = 253,175,556.60 : x
  2. Step 2: Convert to fraction form
    355,968,055.80/533,952,083.70 = 253,175,556.60/x
  3. Step 3: Cross multiply
    355,968,055.80x = 533,952,083.70 × 253,175,556.60
  4. Step 4: Simplify right side
    355,968,055.80x = 135,183,615,988,477,280
  5. Step 5: Solve for x
    x = 135,183,615,988,477,280/355,968,055.80
  6. Step 6: Final answer
    x = 379,763,334.90

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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.