Home / 28,769,569,797.09-43,153,879,925.21-8,601,042,858.15

Finding the Fourth Proportional to 28,769,569,797.09, 43,153,879,925.21 and 8,601,042,858.15

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Solution

The fourth proportional to 28,769,569,797.09, 43,153,879,925.21 and 8,601,042,858.15 is: 12,901,422,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769,569,797.09 : 43,153,879,925.21 = 8,601,042,858.15 : x
  2. Step 2: Convert to fraction form
    28,769,569,797.09/43,153,879,925.21 = 8,601,042,858.15/x
  3. Step 3: Cross multiply
    28,769,569,797.09x = 43,153,879,925.21 × 8,601,042,858.15
  4. Step 4: Simplify right side
    28,769,569,797.09x = 371,168,370,732,120,997,888
  5. Step 5: Solve for x
    x = 371,168,370,732,120,997,888/28,769,569,797.09
  6. Step 6: Final answer
    x = 12,901,422,348.33

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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.