Home / 954,472,423.89-1,431,914,708.26-290,538,361.28

Finding the Fourth Proportional to 954,472,423.89, 1,431,914,708.26 and 290,538,361.28

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Solution

The fourth proportional to 954,472,423.89, 1,431,914,708.26 and 290,538,361.28 is: 435,870,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,472,423.89 : 1,431,914,708.26 = 290,538,361.28 : x
  2. Step 2: Convert to fraction form
    954,472,423.89/1,431,914,708.26 = 290,538,361.28/x
  3. Step 3: Cross multiply
    954,472,423.89x = 1,431,914,708.26 × 290,538,361.28
  4. Step 4: Simplify right side
    954,472,423.89x = 416,026,152,830,589,632
  5. Step 5: Solve for x
    x = 416,026,152,830,589,632/954,472,423.89
  6. Step 6: Final answer
    x = 435,870,269.71

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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.