Home / 1,320,424,437,511.80-1,981,025,252,087.30-426,047,460,472.48

Finding the Fourth Proportional to 1,320,424,437,511.80, 1,981,025,252,087.30 and 426,047,460,472.48

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Solution

The fourth proportional to 1,320,424,437,511.80, 1,981,025,252,087.30 and 426,047,460,472.48 is: 639,196,574,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,424,437,511.80 : 1,981,025,252,087.30 = 426,047,460,472.48 : x
  2. Step 2: Convert to fraction form
    1,320,424,437,511.80/1,981,025,252,087.30 = 426,047,460,472.48/x
  3. Step 3: Cross multiply
    1,320,424,437,511.80x = 1,981,025,252,087.30 × 426,047,460,472.48
  4. Step 4: Simplify right side
    1,320,424,437,511.80x = 844,010,777,783,648,594,690,048
  5. Step 5: Solve for x
    x = 844,010,777,783,648,594,690,048/1,320,424,437,511.80
  6. Step 6: Final answer
    x = 639,196,574,833.24

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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.