Finding the Fourth Proportional to 2,914,724,746.98, 4,372,086,954.42 and 816,511,804.83
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Solution
The fourth proportional to 2,914,724,746.98, 4,372,086,954.42 and 816,511,804.83 is: 1,224,767,660.73
Step by Step Solution
- Step 1: Write the proportion equation
2,914,724,746.98 : 4,372,086,954.42 = 816,511,804.83 : x - Step 2: Convert to fraction form
2,914,724,746.98/4,372,086,954.42 = 816,511,804.83/x - Step 3: Cross multiply
2,914,724,746.98x = 4,372,086,954.42 × 816,511,804.83 - Step 4: Simplify right side
2,914,724,746.98x = 3,569,860,610,027,172,352 - Step 5: Solve for x
x = 3,569,860,610,027,172,352/2,914,724,746.98 - Step 6: Final answer
x = 1,224,767,660.73
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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.