Home / 8,127,135,021.72-12,187,774,883.10-2,813,804,586.90

Finding the Fourth Proportional to 8,127,135,021.72, 12,187,774,883.10 and 2,813,804,586.90

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Solution

The fourth proportional to 8,127,135,021.72, 12,187,774,883.10 and 2,813,804,586.90 is: 4,219,693,259.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127,135,021.72 : 12,187,774,883.10 = 2,813,804,586.90 : x
  2. Step 2: Convert to fraction form
    8,127,135,021.72/12,187,774,883.10 = 2,813,804,586.90/x
  3. Step 3: Cross multiply
    8,127,135,021.72x = 12,187,774,883.10 × 2,813,804,586.90
  4. Step 4: Simplify right side
    8,127,135,021.72x = 34,294,016,870,171,394,048
  5. Step 5: Solve for x
    x = 34,294,016,870,171,394,048/8,127,135,021.72
  6. Step 6: Final answer
    x = 4,219,693,259.50

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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.