Finding the Fourth Proportional to 1,114,758,582.36, 1,538,411,169.24 and 613,008,502.08
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Solution
The fourth proportional to 1,114,758,582.36, 1,538,411,169.24 and 613,008,502.08 is: 845,976,107.62
Step by Step Solution
- Step 1: Write the proportion equation
1,114,758,582.36 : 1,538,411,169.24 = 613,008,502.08 : x - Step 2: Convert to fraction form
1,114,758,582.36/1,538,411,169.24 = 613,008,502.08/x - Step 3: Cross multiply
1,114,758,582.36x = 1,538,411,169.24 × 613,008,502.08 - Step 4: Simplify right side
1,114,758,582.36x = 943,059,126,438,953,856 - Step 5: Solve for x
x = 943,059,126,438,953,856/1,114,758,582.36 - Step 6: Final answer
x = 845,976,107.62
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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.