Home / 460,335,630.85-690,939,991.62-284,928,072.22

Finding the Fourth Proportional to 460,335,630.85, 690,939,991.62 and 284,928,072.22

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Solution

The fourth proportional to 460,335,630.85, 690,939,991.62 and 284,928,072.22 is: 427,662,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,335,630.85 : 690,939,991.62 = 284,928,072.22 : x
  2. Step 2: Convert to fraction form
    460,335,630.85/690,939,991.62 = 284,928,072.22/x
  3. Step 3: Cross multiply
    460,335,630.85x = 690,939,991.62 × 284,928,072.22
  4. Step 4: Simplify right side
    460,335,630.85x = 196,868,199,831,989,568
  5. Step 5: Solve for x
    x = 196,868,199,831,989,568/460,335,630.85
  6. Step 6: Final answer
    x = 427,662,311.23

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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.