Finding the Fourth Proportional to 1,346,449,564.70, 2,019,674,347.05 and 829,888,912.70
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Solution
The fourth proportional to 1,346,449,564.70, 2,019,674,347.05 and 829,888,912.70 is: 1,244,833,369.05
Step by Step Solution
- Step 1: Write the proportion equation
1,346,449,564.70 : 2,019,674,347.05 = 829,888,912.70 : x - Step 2: Convert to fraction form
1,346,449,564.70/2,019,674,347.05 = 829,888,912.70/x - Step 3: Cross multiply
1,346,449,564.70x = 2,019,674,347.05 × 829,888,912.70 - Step 4: Simplify right side
1,346,449,564.70x = 1,676,105,347,881,406,976 - Step 5: Solve for x
x = 1,676,105,347,881,406,976/1,346,449,564.70 - Step 6: Final answer
x = 1,244,833,369.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.