Home / 328,924,370.76-493,381,906.74-79,931,458.32

Finding the Fourth Proportional to 328,924,370.76, 493,381,906.74 and 79,931,458.32

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Solution

The fourth proportional to 328,924,370.76, 493,381,906.74 and 79,931,458.32 is: 119,896,057.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,924,370.76 : 493,381,906.74 = 79,931,458.32 : x
  2. Step 2: Convert to fraction form
    328,924,370.76/493,381,906.74 = 79,931,458.32/x
  3. Step 3: Cross multiply
    328,924,370.76x = 493,381,906.74 × 79,931,458.32
  4. Step 4: Simplify right side
    328,924,370.76x = 39,436,735,314,430,432
  5. Step 5: Solve for x
    x = 39,436,735,314,430,432/328,924,370.76
  6. Step 6: Final answer
    x = 119,896,057.64

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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.