Home / 284,885,515.80-427,328,273.70-238,969,013.40

Finding the Fourth Proportional to 284,885,515.80, 427,328,273.70 and 238,969,013.40

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Solution

The fourth proportional to 284,885,515.80, 427,328,273.70 and 238,969,013.40 is: 358,453,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,885,515.80 : 427,328,273.70 = 238,969,013.40 : x
  2. Step 2: Convert to fraction form
    284,885,515.80/427,328,273.70 = 238,969,013.40/x
  3. Step 3: Cross multiply
    284,885,515.80x = 427,328,273.70 × 238,969,013.40
  4. Step 4: Simplify right side
    284,885,515.80x = 102,118,215,964,014,160
  5. Step 5: Solve for x
    x = 102,118,215,964,014,160/284,885,515.80
  6. Step 6: Final answer
    x = 358,453,520.10

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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.