Home / 671,274,804.06-926,368,826.85-385,212,947.36

Finding the Fourth Proportional to 671,274,804.06, 926,368,826.85 and 385,212,947.36

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Solution

The fourth proportional to 671,274,804.06, 926,368,826.85 and 385,212,947.36 is: 531,599,374.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,274,804.06 : 926,368,826.85 = 385,212,947.36 : x
  2. Step 2: Convert to fraction form
    671,274,804.06/926,368,826.85 = 385,212,947.36/x
  3. Step 3: Cross multiply
    671,274,804.06x = 926,368,826.85 × 385,212,947.36
  4. Step 4: Simplify right side
    671,274,804.06x = 356,849,266,128,682,176
  5. Step 5: Solve for x
    x = 356,849,266,128,682,176/671,274,804.06
  6. Step 6: Final answer
    x = 531,599,374.76

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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.