Finding the Fourth Proportional to 3,570,751,841.64, 4,927,299,260.58 and 1,984,655,460.84
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Solution
The fourth proportional to 3,570,751,841.64, 4,927,299,260.58 and 1,984,655,460.84 is: 2,738,636,516.45
Step by Step Solution
- Step 1: Write the proportion equation
3,570,751,841.64 : 4,927,299,260.58 = 1,984,655,460.84 : x - Step 2: Convert to fraction form
3,570,751,841.64/4,927,299,260.58 = 1,984,655,460.84/x - Step 3: Cross multiply
3,570,751,841.64x = 4,927,299,260.58 × 1,984,655,460.84 - Step 4: Simplify right side
3,570,751,841.64x = 9,778,991,384,702,990,336 - Step 5: Solve for x
x = 9,778,991,384,702,990,336/3,570,751,841.64 - Step 6: Final answer
x = 2,738,636,516.45
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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.