Finding the Fourth Proportional to 351,371,768.24, 484,610,305.68 and 308,894,505.13
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Solution
The fourth proportional to 351,371,768.24, 484,610,305.68 and 308,894,505.13 is: 426,025,862.30
Step by Step Solution
- Step 1: Write the proportion equation
351,371,768.24 : 484,610,305.68 = 308,894,505.13 : x - Step 2: Convert to fraction form
351,371,768.24/484,610,305.68 = 308,894,505.13/x - Step 3: Cross multiply
351,371,768.24x = 484,610,305.68 × 308,894,505.13 - Step 4: Simplify right side
351,371,768.24x = 149,693,460,553,921,632 - Step 5: Solve for x
x = 149,693,460,553,921,632/351,371,768.24 - Step 6: Final answer
x = 426,025,862.30
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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.