Home / 1,058,056,844.80-1,587,090,338.88-321,133,152.64

Finding the Fourth Proportional to 1,058,056,844.80, 1,587,090,338.88 and 321,133,152.64

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Solution

The fourth proportional to 1,058,056,844.80, 1,587,090,338.88 and 321,133,152.64 is: 481,701,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,056,844.80 : 1,587,090,338.88 = 321,133,152.64 : x
  2. Step 2: Convert to fraction form
    1,058,056,844.80/1,587,090,338.88 = 321,133,152.64/x
  3. Step 3: Cross multiply
    1,058,056,844.80x = 1,587,090,338.88 × 321,133,152.64
  4. Step 4: Simplify right side
    1,058,056,844.80x = 509,667,324,049,020,352
  5. Step 5: Solve for x
    x = 509,667,324,049,020,352/1,058,056,844.80
  6. Step 6: Final answer
    x = 481,701,268.28

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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.