Home / 379,130,621.40-568,695,932.10-185,166,466.20

Finding the Fourth Proportional to 379,130,621.40, 568,695,932.10 and 185,166,466.20

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Solution

The fourth proportional to 379,130,621.40, 568,695,932.10 and 185,166,466.20 is: 277,749,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,130,621.40 : 568,695,932.10 = 185,166,466.20 : x
  2. Step 2: Convert to fraction form
    379,130,621.40/568,695,932.10 = 185,166,466.20/x
  3. Step 3: Cross multiply
    379,130,621.40x = 568,695,932.10 × 185,166,466.20
  4. Step 4: Simplify right side
    379,130,621.40x = 105,303,416,089,272,144
  5. Step 5: Solve for x
    x = 105,303,416,089,272,144/379,130,621.40
  6. Step 6: Final answer
    x = 277,749,699.30

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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.