Home / 460,335,629.85-690,939,990.12-284,928,071.22

Finding the Fourth Proportional to 460,335,629.85, 690,939,990.12 and 284,928,071.22

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Solution

The fourth proportional to 460,335,629.85, 690,939,990.12 and 284,928,071.22 is: 427,662,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,335,629.85 : 690,939,990.12 = 284,928,071.22 : x
  2. Step 2: Convert to fraction form
    460,335,629.85/690,939,990.12 = 284,928,071.22/x
  3. Step 3: Cross multiply
    460,335,629.85x = 690,939,990.12 × 284,928,071.22
  4. Step 4: Simplify right side
    460,335,629.85x = 196,868,198,713,657,472
  5. Step 5: Solve for x
    x = 196,868,198,713,657,472/460,335,629.85
  6. Step 6: Final answer
    x = 427,662,309.73

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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.