Home / 449,073,119.40-673,609,679.10-207,208,415.40

Finding the Fourth Proportional to 449,073,119.40, 673,609,679.10 and 207,208,415.40

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Solution

The fourth proportional to 449,073,119.40, 673,609,679.10 and 207,208,415.40 is: 310,812,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,073,119.40 : 673,609,679.10 = 207,208,415.40 : x
  2. Step 2: Convert to fraction form
    449,073,119.40/673,609,679.10 = 207,208,415.40/x
  3. Step 3: Cross multiply
    449,073,119.40x = 673,609,679.10 × 207,208,415.40
  4. Step 4: Simplify right side
    449,073,119.40x = 139,577,594,204,413,504
  5. Step 5: Solve for x
    x = 139,577,594,204,413,504/449,073,119.40
  6. Step 6: Final answer
    x = 310,812,623.10

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Similar ratio
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1.5x scale

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.