Home / 284,176,521.40-426,264,782.10-192,343,516.60

Finding the Fourth Proportional to 284,176,521.40, 426,264,782.10 and 192,343,516.60

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Solution

The fourth proportional to 284,176,521.40, 426,264,782.10 and 192,343,516.60 is: 288,515,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,176,521.40 : 426,264,782.10 = 192,343,516.60 : x
  2. Step 2: Convert to fraction form
    284,176,521.40/426,264,782.10 = 192,343,516.60/x
  3. Step 3: Cross multiply
    284,176,521.40x = 426,264,782.10 × 192,343,516.60
  4. Step 4: Simplify right side
    284,176,521.40x = 81,989,267,191,846,736
  5. Step 5: Solve for x
    x = 81,989,267,191,846,736/284,176,521.40
  6. Step 6: Final answer
    x = 288,515,274.90

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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.