Home / 319,788,912.60-479,683,368.90-296,830,661.40

Finding the Fourth Proportional to 319,788,912.60, 479,683,368.90 and 296,830,661.40

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Solution

The fourth proportional to 319,788,912.60, 479,683,368.90 and 296,830,661.40 is: 445,245,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,788,912.60 : 479,683,368.90 = 296,830,661.40 : x
  2. Step 2: Convert to fraction form
    319,788,912.60/479,683,368.90 = 296,830,661.40/x
  3. Step 3: Cross multiply
    319,788,912.60x = 479,683,368.90 × 296,830,661.40
  4. Step 4: Simplify right side
    319,788,912.60x = 142,384,731,653,167,168
  5. Step 5: Solve for x
    x = 142,384,731,653,167,168/319,788,912.60
  6. Step 6: Final answer
    x = 445,245,992.10

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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.