Finding the Fourth Proportional to 7,902,751,921.25, 11,854,824,664.49 and 2,230,390,970.88
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Solution
The fourth proportional to 7,902,751,921.25, 11,854,824,664.49 and 2,230,390,970.88 is: 3,345,783,109.04
Step by Step Solution
- Step 1: Write the proportion equation
7,902,751,921.25 : 11,854,824,664.49 = 2,230,390,970.88 : x - Step 2: Convert to fraction form
7,902,751,921.25/11,854,824,664.49 = 2,230,390,970.88/x - Step 3: Cross multiply
7,902,751,921.25x = 11,854,824,664.49 × 2,230,390,970.88 - Step 4: Simplify right side
7,902,751,921.25x = 26,440,893,893,032,873,984 - Step 5: Solve for x
x = 26,440,893,893,032,873,984/7,902,751,921.25 - Step 6: Final answer
x = 3,345,783,109.04
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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.