Home / 302,208,712.80-453,089,120.40-204,921,621.60

Finding the Fourth Proportional to 302,208,712.80, 453,089,120.40 and 204,921,621.60

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Solution

The fourth proportional to 302,208,712.80, 453,089,120.40 and 204,921,621.60 is: 307,230,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,208,712.80 : 453,089,120.40 = 204,921,621.60 : x
  2. Step 2: Convert to fraction form
    302,208,712.80/453,089,120.40 = 204,921,621.60/x
  3. Step 3: Cross multiply
    302,208,712.80x = 453,089,120.40 × 204,921,621.60
  4. Step 4: Simplify right side
    302,208,712.80x = 92,847,757,281,685,632
  5. Step 5: Solve for x
    x = 92,847,757,281,685,632/302,208,712.80
  6. Step 6: Final answer
    x = 307,230,577.24

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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.