Home / 851,576,703.78-1,277,356,539.93-269,311,048.50

Finding the Fourth Proportional to 851,576,703.78, 1,277,356,539.93 and 269,311,048.50

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Solution

The fourth proportional to 851,576,703.78, 1,277,356,539.93 and 269,311,048.50 is: 403,963,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,576,703.78 : 1,277,356,539.93 = 269,311,048.50 : x
  2. Step 2: Convert to fraction form
    851,576,703.78/1,277,356,539.93 = 269,311,048.50/x
  3. Step 3: Cross multiply
    851,576,703.78x = 1,277,356,539.93 × 269,311,048.50
  4. Step 4: Simplify right side
    851,576,703.78x = 344,006,229,076,880,448
  5. Step 5: Solve for x
    x = 344,006,229,076,880,448/851,576,703.78
  6. Step 6: Final answer
    x = 403,963,879.65

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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.