Finding the Fourth Proportional to 19,490,755,499.42, 29,232,677,311.62 and 8,864,490,816.62
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Solution
The fourth proportional to 19,490,755,499.42, 29,232,677,311.62 and 8,864,490,816.62 is: 13,295,164,447.67
Step by Step Solution
- Step 1: Write the proportion equation
19,490,755,499.42 : 29,232,677,311.62 = 8,864,490,816.62 : x - Step 2: Convert to fraction form
19,490,755,499.42/29,232,677,311.62 = 8,864,490,816.62/x - Step 3: Cross multiply
19,490,755,499.42x = 29,232,677,311.62 × 8,864,490,816.62 - Step 4: Simplify right side
19,490,755,499.42x = 259,132,799,574,071,345,152 - Step 5: Solve for x
x = 259,132,799,574,071,345,152/19,490,755,499.42 - Step 6: Final answer
x = 13,295,164,447.67
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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.