Home / 519,048,007.20-778,572,010.80-484,783,840.80

Finding the Fourth Proportional to 519,048,007.20, 778,572,010.80 and 484,783,840.80

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Solution

The fourth proportional to 519,048,007.20, 778,572,010.80 and 484,783,840.80 is: 727,175,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,048,007.20 : 778,572,010.80 = 484,783,840.80 : x
  2. Step 2: Convert to fraction form
    519,048,007.20/778,572,010.80 = 484,783,840.80/x
  3. Step 3: Cross multiply
    519,048,007.20x = 778,572,010.80 × 484,783,840.80
  4. Step 4: Simplify right side
    519,048,007.20x = 377,439,129,735,003,072
  5. Step 5: Solve for x
    x = 377,439,129,735,003,072/519,048,007.20
  6. Step 6: Final answer
    x = 727,175,761.20

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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.