Finding the Fourth Proportional to 79,574,379,408.99, 109,862,202,103.16 and 50,654,886,770.07
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Solution
The fourth proportional to 79,574,379,408.99, 109,862,202,103.16 and 50,654,886,770.07 is: 69,935,291,348.52
Step by Step Solution
- Step 1: Write the proportion equation
79,574,379,408.99 : 109,862,202,103.16 = 50,654,886,770.07 : x - Step 2: Convert to fraction form
79,574,379,408.99/109,862,202,103.16 = 50,654,886,770.07/x - Step 3: Cross multiply
79,574,379,408.99x = 109,862,202,103.16 × 50,654,886,770.07 - Step 4: Simplify right side
79,574,379,408.99x = 5,565,057,407,845,896,552,448 - Step 5: Solve for x
x = 5,565,057,407,845,896,552,448/79,574,379,408.99 - Step 6: Final answer
x = 69,935,291,348.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.