Finding the Fourth Proportional to 622,650,115.99, 859,267,374.05 and 371,776,428.17
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Solution
The fourth proportional to 622,650,115.99, 859,267,374.05 and 371,776,428.17 is: 513,057,569.51
Step by Step Solution
- Step 1: Write the proportion equation
622,650,115.99 : 859,267,374.05 = 371,776,428.17 : x - Step 2: Convert to fraction form
622,650,115.99/859,267,374.05 = 371,776,428.17/x - Step 3: Cross multiply
622,650,115.99x = 859,267,374.05 × 371,776,428.17 - Step 4: Simplify right side
622,650,115.99x = 319,455,355,167,324,352 - Step 5: Solve for x
x = 319,455,355,167,324,352/622,650,115.99 - Step 6: Final answer
x = 513,057,569.51
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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.