Home / 298,145,841.48-447,218,875.82-297,715,007.50

Finding the Fourth Proportional to 298,145,841.48, 447,218,875.82 and 297,715,007.50

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Solution

The fourth proportional to 298,145,841.48, 447,218,875.82 and 297,715,007.50 is: 446,572,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,145,841.48 : 447,218,875.82 = 297,715,007.50 : x
  2. Step 2: Convert to fraction form
    298,145,841.48/447,218,875.82 = 297,715,007.50/x
  3. Step 3: Cross multiply
    298,145,841.48x = 447,218,875.82 × 297,715,007.50
  4. Step 4: Simplify right side
    298,145,841.48x = 133,143,770,968,519,104
  5. Step 5: Solve for x
    x = 133,143,770,968,519,104/298,145,841.48
  6. Step 6: Final answer
    x = 446,572,624.68

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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.