Finding the Fourth Proportional to 291,115,103,466.33, 438,659,730,232.73 and 239,218,676,104.77
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Solution
The fourth proportional to 291,115,103,466.33, 438,659,730,232.73 and 239,218,676,104.77 is: 360,460,857,843.76
Step by Step Solution
- Step 1: Write the proportion equation
291,115,103,466.33 : 438,659,730,232.73 = 239,218,676,104.77 : x - Step 2: Convert to fraction form
291,115,103,466.33/438,659,730,232.73 = 239,218,676,104.77/x - Step 3: Cross multiply
291,115,103,466.33x = 438,659,730,232.73 × 239,218,676,104.77 - Step 4: Simplify right side
291,115,103,466.33x = 104,935,599,926,749,207,461,888 - Step 5: Solve for x
x = 104,935,599,926,749,207,461,888/291,115,103,466.33 - Step 6: Final answer
x = 360,460,857,843.76
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.