Home / 756,106,629.66-1,042,733,724.72-518,297,410.98

Finding the Fourth Proportional to 756,106,629.66, 1,042,733,724.72 and 518,297,410.98

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Solution

The fourth proportional to 756,106,629.66, 1,042,733,724.72 and 518,297,410.98 is: 714,775,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,106,629.66 : 1,042,733,724.72 = 518,297,410.98 : x
  2. Step 2: Convert to fraction form
    756,106,629.66/1,042,733,724.72 = 518,297,410.98/x
  3. Step 3: Cross multiply
    756,106,629.66x = 1,042,733,724.72 × 518,297,410.98
  4. Step 4: Simplify right side
    756,106,629.66x = 540,446,189,863,908,032
  5. Step 5: Solve for x
    x = 540,446,189,863,908,032/756,106,629.66
  6. Step 6: Final answer
    x = 714,775,097.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.