Home / 298,647,253.28-412,112,164.47-166,482,403.67

Finding the Fourth Proportional to 298,647,253.28, 412,112,164.47 and 166,482,403.67

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Solution

The fourth proportional to 298,647,253.28, 412,112,164.47 and 166,482,403.67 is: 229,733,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,647,253.28 : 412,112,164.47 = 166,482,403.67 : x
  2. Step 2: Convert to fraction form
    298,647,253.28/412,112,164.47 = 166,482,403.67/x
  3. Step 3: Cross multiply
    298,647,253.28x = 412,112,164.47 × 166,482,403.67
  4. Step 4: Simplify right side
    298,647,253.28x = 68,609,423,723,017,952
  5. Step 5: Solve for x
    x = 68,609,423,723,017,952/298,647,253.28
  6. Step 6: Final answer
    x = 229,733,985.39

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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.