Finding the Fourth Proportional to 368,412,309.48, 508,453,569.26 and 209,681,027.73
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Solution
The fourth proportional to 368,412,309.48, 508,453,569.26 and 209,681,027.73 is: 289,385,192.11
Step by Step Solution
- Step 1: Write the proportion equation
368,412,309.48 : 508,453,569.26 = 209,681,027.73 : x - Step 2: Convert to fraction form
368,412,309.48/508,453,569.26 = 209,681,027.73/x - Step 3: Cross multiply
368,412,309.48x = 508,453,569.26 × 209,681,027.73 - Step 4: Simplify right side
368,412,309.48x = 106,613,066,955,161,440 - Step 5: Solve for x
x = 106,613,066,955,161,440/368,412,309.48 - Step 6: Final answer
x = 289,385,192.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.