Home / 284,501,920.40-427,071,745.20-220,091,271.20

Finding the Fourth Proportional to 284,501,920.40, 427,071,745.20 and 220,091,271.20

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Solution

The fourth proportional to 284,501,920.40, 427,071,745.20 and 220,091,271.20 is: 330,383,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,501,920.40 : 427,071,745.20 = 220,091,271.20 : x
  2. Step 2: Convert to fraction form
    284,501,920.40/427,071,745.20 = 220,091,271.20/x
  3. Step 3: Cross multiply
    284,501,920.40x = 427,071,745.20 × 220,091,271.20
  4. Step 4: Simplify right side
    284,501,920.40x = 93,994,763,294,670,496
  5. Step 5: Solve for x
    x = 93,994,763,294,670,496/284,501,920.40
  6. Step 6: Final answer
    x = 330,383,581.11

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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.