Finding the Fourth Proportional to 4,721,847,217.48, 6,513,795,607.35 and 2,815,264,051.30
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Solution
The fourth proportional to 4,721,847,217.48, 6,513,795,607.35 and 2,815,264,051.30 is: 3,883,661,153.42
Step by Step Solution
- Step 1: Write the proportion equation
4,721,847,217.48 : 6,513,795,607.35 = 2,815,264,051.30 : x - Step 2: Convert to fraction form
4,721,847,217.48/6,513,795,607.35 = 2,815,264,051.30/x - Step 3: Cross multiply
4,721,847,217.48x = 6,513,795,607.35 × 2,815,264,051.30 - Step 4: Simplify right side
4,721,847,217.48x = 18,338,054,610,888,306,688 - Step 5: Solve for x
x = 18,338,054,610,888,306,688/4,721,847,217.48 - Step 6: Final answer
x = 3,883,661,153.42
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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.