Finding the Fourth Proportional to 4,914,918,110.70, 7,372,377,166.05 and 1,643,367,314.70
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Solution
The fourth proportional to 4,914,918,110.70, 7,372,377,166.05 and 1,643,367,314.70 is: 2,465,050,972.05
Step by Step Solution
- Step 1: Write the proportion equation
4,914,918,110.70 : 7,372,377,166.05 = 1,643,367,314.70 : x - Step 2: Convert to fraction form
4,914,918,110.70/7,372,377,166.05 = 1,643,367,314.70/x - Step 3: Cross multiply
4,914,918,110.70x = 7,372,377,166.05 × 1,643,367,314.70 - Step 4: Simplify right side
4,914,918,110.70x = 12,115,523,666,327,185,408 - Step 5: Solve for x
x = 12,115,523,666,327,185,408/4,914,918,110.70 - Step 6: Final answer
x = 2,465,050,972.05
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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.