Home / 1,239,064,007.81-1,709,846,825.31-682,135,097.45

Finding the Fourth Proportional to 1,239,064,007.81, 1,709,846,825.31 and 682,135,097.45

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Solution

The fourth proportional to 1,239,064,007.81, 1,709,846,825.31 and 682,135,097.45 is: 941,312,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,064,007.81 : 1,709,846,825.31 = 682,135,097.45 : x
  2. Step 2: Convert to fraction form
    1,239,064,007.81/1,709,846,825.31 = 682,135,097.45/x
  3. Step 3: Cross multiply
    1,239,064,007.81x = 1,709,846,825.31 × 682,135,097.45
  4. Step 4: Simplify right side
    1,239,064,007.81x = 1,166,346,530,798,860,800
  5. Step 5: Solve for x
    x = 1,166,346,530,798,860,800/1,239,064,007.81
  6. Step 6: Final answer
    x = 941,312,574.21

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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.