Home / 421,004,229.86-580,921,293.56-242,353,585.26

Finding the Fourth Proportional to 421,004,229.86, 580,921,293.56 and 242,353,585.26

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Solution

The fourth proportional to 421,004,229.86, 580,921,293.56 and 242,353,585.26 is: 334,410,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,004,229.86 : 580,921,293.56 = 242,353,585.26 : x
  2. Step 2: Convert to fraction form
    421,004,229.86/580,921,293.56 = 242,353,585.26/x
  3. Step 3: Cross multiply
    421,004,229.86x = 580,921,293.56 × 242,353,585.26
  4. Step 4: Simplify right side
    421,004,229.86x = 140,788,358,248,142,928
  5. Step 5: Solve for x
    x = 140,788,358,248,142,928/421,004,229.86
  6. Step 6: Final answer
    x = 334,410,792.73

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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.