Home / 748,471,040.82-1,121,824,881.90-305,537,097.33

Finding the Fourth Proportional to 748,471,040.82, 1,121,824,881.90 and 305,537,097.33

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Solution

The fourth proportional to 748,471,040.82, 1,121,824,881.90 and 305,537,097.33 is: 457,945,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,471,040.82 : 1,121,824,881.90 = 305,537,097.33 : x
  2. Step 2: Convert to fraction form
    748,471,040.82/1,121,824,881.90 = 305,537,097.33/x
  3. Step 3: Cross multiply
    748,471,040.82x = 1,121,824,881.90 × 305,537,097.33
  4. Step 4: Simplify right side
    748,471,040.82x = 342,759,118,128,296,064
  5. Step 5: Solve for x
    x = 342,759,118,128,296,064/748,471,040.82
  6. Step 6: Final answer
    x = 457,945,731.28

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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.