Home / 460,335,630.35-690,939,990.87-284,928,071.72

Finding the Fourth Proportional to 460,335,630.35, 690,939,990.87 and 284,928,071.72

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Solution

The fourth proportional to 460,335,630.35, 690,939,990.87 and 284,928,071.72 is: 427,662,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,335,630.35 : 690,939,990.87 = 284,928,071.72 : x
  2. Step 2: Convert to fraction form
    460,335,630.35/690,939,990.87 = 284,928,071.72/x
  3. Step 3: Cross multiply
    460,335,630.35x = 690,939,990.87 × 284,928,071.72
  4. Step 4: Simplify right side
    460,335,630.35x = 196,868,199,272,823,520
  5. Step 5: Solve for x
    x = 196,868,199,272,823,520/460,335,630.35
  6. Step 6: Final answer
    x = 427,662,310.48

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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.