Home / 945,528,694.85-1,420,445,382.78-684,019,864.37

Finding the Fourth Proportional to 945,528,694.85, 1,420,445,382.78 and 684,019,864.37

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Solution

The fourth proportional to 945,528,694.85, 1,420,445,382.78 and 684,019,864.37 is: 1,027,586,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,528,694.85 : 1,420,445,382.78 = 684,019,864.37 : x
  2. Step 2: Convert to fraction form
    945,528,694.85/1,420,445,382.78 = 684,019,864.37/x
  3. Step 3: Cross multiply
    945,528,694.85x = 1,420,445,382.78 × 684,019,864.37
  4. Step 4: Simplify right side
    945,528,694.85x = 971,612,858,080,318,592
  5. Step 5: Solve for x
    x = 971,612,858,080,318,592/945,528,694.85
  6. Step 6: Final answer
    x = 1,027,586,855.24

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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.