Home / 298,656,196.40-447,984,294.60-238,190,020.40

Finding the Fourth Proportional to 298,656,196.40, 447,984,294.60 and 238,190,020.40

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Solution

The fourth proportional to 298,656,196.40, 447,984,294.60 and 238,190,020.40 is: 357,285,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,656,196.40 : 447,984,294.60 = 238,190,020.40 : x
  2. Step 2: Convert to fraction form
    298,656,196.40/447,984,294.60 = 238,190,020.40/x
  3. Step 3: Cross multiply
    298,656,196.40x = 447,984,294.60 × 238,190,020.40
  4. Step 4: Simplify right side
    298,656,196.40x = 106,705,388,269,653,616
  5. Step 5: Solve for x
    x = 106,705,388,269,653,616/298,656,196.40
  6. Step 6: Final answer
    x = 357,285,030.60

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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.