Finding the Fourth Proportional to 84,574,899,427.58, 126,918,239,021.55 and 39,819,195,391.84
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Solution
The fourth proportional to 84,574,899,427.58, 126,918,239,021.55 and 39,819,195,391.84 is: 59,755,106,924.07
Step by Step Solution
- Step 1: Write the proportion equation
84,574,899,427.58 : 126,918,239,021.55 = 39,819,195,391.84 : x - Step 2: Convert to fraction form
84,574,899,427.58/126,918,239,021.55 = 39,819,195,391.84/x - Step 3: Cross multiply
84,574,899,427.58x = 126,918,239,021.55 × 39,819,195,391.84 - Step 4: Simplify right side
84,574,899,427.58x = 5,053,782,158,387,097,632,768 - Step 5: Solve for x
x = 5,053,782,158,387,097,632,768/84,574,899,427.58 - Step 6: Final answer
x = 59,755,106,924.07
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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.