Home / 702,716,749.21-1,047,792,649.53-683,410,042.61

Finding the Fourth Proportional to 702,716,749.21, 1,047,792,649.53 and 683,410,042.61

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Solution

The fourth proportional to 702,716,749.21, 1,047,792,649.53 and 683,410,042.61 is: 1,019,005,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,716,749.21 : 1,047,792,649.53 = 683,410,042.61 : x
  2. Step 2: Convert to fraction form
    702,716,749.21/1,047,792,649.53 = 683,410,042.61/x
  3. Step 3: Cross multiply
    702,716,749.21x = 1,047,792,649.53 × 683,410,042.61
  4. Step 4: Simplify right side
    702,716,749.21x = 716,072,019,261,742,080
  5. Step 5: Solve for x
    x = 716,072,019,261,742,080/702,716,749.21
  6. Step 6: Final answer
    x = 1,019,005,196.71

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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.