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Finding the Fourth Proportional to 298,991,109.40, 448,486,664.10 and 298,991,109.40

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Solution

The fourth proportional to 298,991,109.40, 448,486,664.10 and 298,991,109.40 is: 448,486,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,991,109.40 : 448,486,664.10 = 298,991,109.40 : x
  2. Step 2: Convert to fraction form
    298,991,109.40/448,486,664.10 = 298,991,109.40/x
  3. Step 3: Cross multiply
    298,991,109.40x = 448,486,664.10 × 298,991,109.40
  4. Step 4: Simplify right side
    298,991,109.40x = 134,093,525,250,364,144
  5. Step 5: Solve for x
    x = 134,093,525,250,364,144/298,991,109.40
  6. Step 6: Final answer
    x = 448,486,664.10

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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.