Home / 1,042,380,604.80-1,563,569,652.60-266,026,348.80

Finding the Fourth Proportional to 1,042,380,604.80, 1,563,569,652.60 and 266,026,348.80

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Solution

The fourth proportional to 1,042,380,604.80, 1,563,569,652.60 and 266,026,348.80 is: 399,039,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,380,604.80 : 1,563,569,652.60 = 266,026,348.80 : x
  2. Step 2: Convert to fraction form
    1,042,380,604.80/1,563,569,652.60 = 266,026,348.80/x
  3. Step 3: Cross multiply
    1,042,380,604.80x = 1,563,569,652.60 × 266,026,348.80
  4. Step 4: Simplify right side
    1,042,380,604.80x = 415,950,725,775,662,400
  5. Step 5: Solve for x
    x = 415,950,725,775,662,400/1,042,380,604.80
  6. Step 6: Final answer
    x = 399,039,203.01

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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.