Finding the Fourth Proportional to 622,610,486.18, 859,208,187.96 and 354,682,347.81
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Solution
The fourth proportional to 622,610,486.18, 859,208,187.96 and 354,682,347.81 is: 489,464,896.80
Step by Step Solution
- Step 1: Write the proportion equation
622,610,486.18 : 859,208,187.96 = 354,682,347.81 : x - Step 2: Convert to fraction form
622,610,486.18/859,208,187.96 = 354,682,347.81/x - Step 3: Cross multiply
622,610,486.18x = 859,208,187.96 × 354,682,347.81 - Step 4: Simplify right side
622,610,486.18x = 304,745,977,363,228,608 - Step 5: Solve for x
x = 304,745,977,363,228,608/622,610,486.18 - Step 6: Final answer
x = 489,464,896.80
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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.