Finding the Fourth Proportional to 913,113,656.12, 1,369,917,604.44 and 651,129,186.68
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Solution
The fourth proportional to 913,113,656.12, 1,369,917,604.44 and 651,129,186.68 is: 976,869,998.19
Step by Step Solution
- Step 1: Write the proportion equation
913,113,656.12 : 1,369,917,604.44 = 651,129,186.68 : x - Step 2: Convert to fraction form
913,113,656.12/1,369,917,604.44 = 651,129,186.68/x - Step 3: Cross multiply
913,113,656.12x = 1,369,917,604.44 × 651,129,186.68 - Step 4: Simplify right side
913,113,656.12x = 891,993,335,597,631,104 - Step 5: Solve for x
x = 891,993,335,597,631,104/913,113,656.12 - Step 6: Final answer
x = 976,869,998.19
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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.