Home / 756,809,617.60-1,135,214,426.40-266,076,998.20

Finding the Fourth Proportional to 756,809,617.60, 1,135,214,426.40 and 266,076,998.20

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Solution

The fourth proportional to 756,809,617.60, 1,135,214,426.40 and 266,076,998.20 is: 399,115,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,809,617.60 : 1,135,214,426.40 = 266,076,998.20 : x
  2. Step 2: Convert to fraction form
    756,809,617.60/1,135,214,426.40 = 266,076,998.20/x
  3. Step 3: Cross multiply
    756,809,617.60x = 1,135,214,426.40 × 266,076,998.20
  4. Step 4: Simplify right side
    756,809,617.60x = 302,054,446,889,846,848
  5. Step 5: Solve for x
    x = 302,054,446,889,846,848/756,809,617.60
  6. Step 6: Final answer
    x = 399,115,497.30

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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.