Home / 1,058,154,493.20-1,585,318,552.20-905,099,485.20

Finding the Fourth Proportional to 1,058,154,493.20, 1,585,318,552.20 and 905,099,485.20

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Solution

The fourth proportional to 1,058,154,493.20, 1,585,318,552.20 and 905,099,485.20 is: 1,356,012,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,154,493.20 : 1,585,318,552.20 = 905,099,485.20 : x
  2. Step 2: Convert to fraction form
    1,058,154,493.20/1,585,318,552.20 = 905,099,485.20/x
  3. Step 3: Cross multiply
    1,058,154,493.20x = 1,585,318,552.20 × 905,099,485.20
  4. Step 4: Simplify right side
    1,058,154,493.20x = 1,434,871,005,474,229,504
  5. Step 5: Solve for x
    x = 1,434,871,005,474,229,504/1,058,154,493.20
  6. Step 6: Final answer
    x = 1,356,012,770.06

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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.