Home / 353,727,336.42-488,145,660.81-205,136,557.38

Finding the Fourth Proportional to 353,727,336.42, 488,145,660.81 and 205,136,557.38

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Solution

The fourth proportional to 353,727,336.42, 488,145,660.81 and 205,136,557.38 is: 283,089,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,727,336.42 : 488,145,660.81 = 205,136,557.38 : x
  2. Step 2: Convert to fraction form
    353,727,336.42/488,145,660.81 = 205,136,557.38/x
  3. Step 3: Cross multiply
    353,727,336.42x = 488,145,660.81 × 205,136,557.38
  4. Step 4: Simplify right side
    353,727,336.42x = 100,136,520,358,548,576
  5. Step 5: Solve for x
    x = 100,136,520,358,548,576/353,727,336.42
  6. Step 6: Final answer
    x = 283,089,572.25

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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.