Finding the Fourth Proportional to 1,699,265,352.96, 2,344,674,892.19 and 946,559,796.81
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Solution
The fourth proportional to 1,699,265,352.96, 2,344,674,892.19 and 946,559,796.81 is: 1,306,079,115.70
Step by Step Solution
- Step 1: Write the proportion equation
1,699,265,352.96 : 2,344,674,892.19 = 946,559,796.81 : x - Step 2: Convert to fraction form
1,699,265,352.96/2,344,674,892.19 = 946,559,796.81/x - Step 3: Cross multiply
1,699,265,352.96x = 2,344,674,892.19 × 946,559,796.81 - Step 4: Simplify right side
1,699,265,352.96x = 2,219,374,989,539,241,472 - Step 5: Solve for x
x = 2,219,374,989,539,241,472/1,699,265,352.96 - Step 6: Final answer
x = 1,306,079,115.70
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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.