Finding the Fourth Proportional to 13,170,073,524.84, 19,758,991,009.68 and 5,305,438,788.84
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Solution
The fourth proportional to 13,170,073,524.84, 19,758,991,009.68 and 5,305,438,788.84 is: 7,959,721,495.36
Step by Step Solution
- Step 1: Write the proportion equation
13,170,073,524.84 : 19,758,991,009.68 = 5,305,438,788.84 : x - Step 2: Convert to fraction form
13,170,073,524.84/19,758,991,009.68 = 5,305,438,788.84/x - Step 3: Cross multiply
13,170,073,524.84x = 19,758,991,009.68 × 5,305,438,788.84 - Step 4: Simplify right side
13,170,073,524.84x = 104,830,117,331,097,108,480 - Step 5: Solve for x
x = 104,830,117,331,097,108,480/13,170,073,524.84 - Step 6: Final answer
x = 7,959,721,495.36
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1.5x scale
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.