Home / 825,114,664.80-1,237,246,844.40-307,278,554.40

Finding the Fourth Proportional to 825,114,664.80, 1,237,246,844.40 and 307,278,554.40

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Solution

The fourth proportional to 825,114,664.80, 1,237,246,844.40 and 307,278,554.40 is: 460,759,501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,114,664.80 : 1,237,246,844.40 = 307,278,554.40 : x
  2. Step 2: Convert to fraction form
    825,114,664.80/1,237,246,844.40 = 307,278,554.40/x
  3. Step 3: Cross multiply
    825,114,664.80x = 1,237,246,844.40 × 307,278,554.40
  4. Step 4: Simplify right side
    825,114,664.80x = 380,179,421,783,193,728
  5. Step 5: Solve for x
    x = 380,179,421,783,193,728/825,114,664.80
  6. Step 6: Final answer
    x = 460,759,501.68

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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.