Home / 308,097,078,208.45-425,174,468,104.58-170,919,907,989.54

Finding the Fourth Proportional to 308,097,078,208.45, 425,174,468,104.58 and 170,919,907,989.54

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Solution

The fourth proportional to 308,097,078,208.45, 425,174,468,104.58 and 170,919,907,989.54 is: 235,869,750,503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,097,078,208.45 : 425,174,468,104.58 = 170,919,907,989.54 : x
  2. Step 2: Convert to fraction form
    308,097,078,208.45/425,174,468,104.58 = 170,919,907,989.54/x
  3. Step 3: Cross multiply
    308,097,078,208.45x = 425,174,468,104.58 × 170,919,907,989.54
  4. Step 4: Simplify right side
    308,097,078,208.45x = 72,670,780,967,936,428,343,296
  5. Step 5: Solve for x
    x = 72,670,780,967,936,428,343,296/308,097,078,208.45
  6. Step 6: Final answer
    x = 235,869,750,503.67

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1.5x scale

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.