Finding the Fourth Proportional to 13,135,405,101.36, 19,705,642,625.58 and 4,289,865,934.72
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Solution
The fourth proportional to 13,135,405,101.36, 19,705,642,625.58 and 4,289,865,934.72 is: 6,435,626,794.07
Step by Step Solution
- Step 1: Write the proportion equation
13,135,405,101.36 : 19,705,642,625.58 = 4,289,865,934.72 : x - Step 2: Convert to fraction form
13,135,405,101.36/19,705,642,625.58 = 4,289,865,934.72/x - Step 3: Cross multiply
13,135,405,101.36x = 19,705,642,625.58 × 4,289,865,934.72 - Step 4: Simplify right side
13,135,405,101.36x = 84,534,565,021,242,032,128 - Step 5: Solve for x
x = 84,534,565,021,242,032,128/13,135,405,101.36 - Step 6: Final answer
x = 6,435,626,794.07
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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.