Home / 662,556,445.56-993,726,866.98-312,801,837.43

Finding the Fourth Proportional to 662,556,445.56, 993,726,866.98 and 312,801,837.43

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Solution

The fourth proportional to 662,556,445.56, 993,726,866.98 and 312,801,837.43 is: 469,151,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,556,445.56 : 993,726,866.98 = 312,801,837.43 : x
  2. Step 2: Convert to fraction form
    662,556,445.56/993,726,866.98 = 312,801,837.43/x
  3. Step 3: Cross multiply
    662,556,445.56x = 993,726,866.98 × 312,801,837.43
  4. Step 4: Simplify right side
    662,556,445.56x = 310,839,589,894,901,184
  5. Step 5: Solve for x
    x = 310,839,589,894,901,184/662,556,445.56
  6. Step 6: Final answer
    x = 469,151,861.67

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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.