Home / 702,716,783.38-1,047,792,700.51-683,410,076.87

Finding the Fourth Proportional to 702,716,783.38, 1,047,792,700.51 and 683,410,076.87

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Solution

The fourth proportional to 702,716,783.38, 1,047,792,700.51 and 683,410,076.87 is: 1,019,005,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,716,783.38 : 1,047,792,700.51 = 683,410,076.87 : x
  2. Step 2: Convert to fraction form
    702,716,783.38/1,047,792,700.51 = 683,410,076.87/x
  3. Step 3: Cross multiply
    702,716,783.38x = 1,047,792,700.51 × 683,410,076.87
  4. Step 4: Simplify right side
    702,716,783.38x = 716,072,089,992,416,512
  5. Step 5: Solve for x
    x = 716,072,089,992,416,512/702,716,783.38
  6. Step 6: Final answer
    x = 1,019,005,247.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.