Home / 646,494,245.38-892,162,024.50-349,136,458.93

Finding the Fourth Proportional to 646,494,245.38, 892,162,024.50 and 349,136,458.93

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Solution

The fourth proportional to 646,494,245.38, 892,162,024.50 and 349,136,458.93 is: 481,808,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,494,245.38 : 892,162,024.50 = 349,136,458.93 : x
  2. Step 2: Convert to fraction form
    646,494,245.38/892,162,024.50 = 349,136,458.93/x
  3. Step 3: Cross multiply
    646,494,245.38x = 892,162,024.50 × 349,136,458.93
  4. Step 4: Simplify right side
    646,494,245.38x = 311,486,290,025,749,888
  5. Step 5: Solve for x
    x = 311,486,290,025,749,888/646,494,245.38
  6. Step 6: Final answer
    x = 481,808,294.89

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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.