Home / 1,239,064,005.30-1,709,846,821.86-682,135,094.94

Finding the Fourth Proportional to 1,239,064,005.30, 1,709,846,821.86 and 682,135,094.94

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Solution

The fourth proportional to 1,239,064,005.30, 1,709,846,821.86 and 682,135,094.94 is: 941,312,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,064,005.30 : 1,709,846,821.86 = 682,135,094.94 : x
  2. Step 2: Convert to fraction form
    1,239,064,005.30/1,709,846,821.86 = 682,135,094.94/x
  3. Step 3: Cross multiply
    1,239,064,005.30x = 1,709,846,821.86 × 682,135,094.94
  4. Step 4: Simplify right side
    1,239,064,005.30x = 1,166,346,524,162,328,320
  5. Step 5: Solve for x
    x = 1,166,346,524,162,328,320/1,239,064,005.30
  6. Step 6: Final answer
    x = 941,312,570.76

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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.