Home / 6,688,551,962.94-9,230,467,662.63-3,678,051,481.98

Finding the Fourth Proportional to 6,688,551,962.94, 9,230,467,662.63 and 3,678,051,481.98

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Solution

The fourth proportional to 6,688,551,962.94, 9,230,467,662.63 and 3,678,051,481.98 is: 5,075,857,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,551,962.94 : 9,230,467,662.63 = 3,678,051,481.98 : x
  2. Step 2: Convert to fraction form
    6,688,551,962.94/9,230,467,662.63 = 3,678,051,481.98/x
  3. Step 3: Cross multiply
    6,688,551,962.94x = 9,230,467,662.63 × 3,678,051,481.98
  4. Step 4: Simplify right side
    6,688,551,962.94x = 33,950,135,265,904,734,208
  5. Step 5: Solve for x
    x = 33,950,135,265,904,734,208/6,688,551,962.94
  6. Step 6: Final answer
    x = 5,075,857,293.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.