Home / 1,058,056,845.80-1,587,090,340.38-321,133,153.64

Finding the Fourth Proportional to 1,058,056,845.80, 1,587,090,340.38 and 321,133,153.64

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Solution

The fourth proportional to 1,058,056,845.80, 1,587,090,340.38 and 321,133,153.64 is: 481,701,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,056,845.80 : 1,587,090,340.38 = 321,133,153.64 : x
  2. Step 2: Convert to fraction form
    1,058,056,845.80/1,587,090,340.38 = 321,133,153.64/x
  3. Step 3: Cross multiply
    1,058,056,845.80x = 1,587,090,340.38 × 321,133,153.64
  4. Step 4: Simplify right side
    1,058,056,845.80x = 509,667,326,117,810,432
  5. Step 5: Solve for x
    x = 509,667,326,117,810,432/1,058,056,845.80
  6. Step 6: Final answer
    x = 481,701,269.78

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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.