Finding the Fourth Proportional to 1,579,248,186.69, 2,365,112,343.17 and 913,859,526.81
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Solution
The fourth proportional to 1,579,248,186.69, 2,365,112,343.17 and 913,859,526.81 is: 1,368,613,537.11
Step by Step Solution
- Step 1: Write the proportion equation
1,579,248,186.69 : 2,365,112,343.17 = 913,859,526.81 : x - Step 2: Convert to fraction form
1,579,248,186.69/2,365,112,343.17 = 913,859,526.81/x - Step 3: Cross multiply
1,579,248,186.69x = 2,365,112,343.17 × 913,859,526.81 - Step 4: Simplify right side
1,579,248,186.69x = 2,161,380,446,767,904,256 - Step 5: Solve for x
x = 2,161,380,446,767,904,256/1,579,248,186.69 - Step 6: Final answer
x = 1,368,613,537.11
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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.