Home / 28,284,474,898.11-39,033,517,648.27-15,424,816,501.04

Finding the Fourth Proportional to 28,284,474,898.11, 39,033,517,648.27 and 15,424,816,501.04

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Solution

The fourth proportional to 28,284,474,898.11, 39,033,517,648.27 and 15,424,816,501.04 is: 21,286,760,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,284,474,898.11 : 39,033,517,648.27 = 15,424,816,501.04 : x
  2. Step 2: Convert to fraction form
    28,284,474,898.11/39,033,517,648.27 = 15,424,816,501.04/x
  3. Step 3: Cross multiply
    28,284,474,898.11x = 39,033,517,648.27 × 15,424,816,501.04
  4. Step 4: Simplify right side
    28,284,474,898.11x = 602,084,847,114,671,095,808
  5. Step 5: Solve for x
    x = 602,084,847,114,671,095,808/28,284,474,898.11
  6. Step 6: Final answer
    x = 21,286,760,644.61

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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.