Finding the Fourth Proportional to 6,627,722,515.84, 9,146,450,979.60 and 3,617,168,312.08
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Solution
The fourth proportional to 6,627,722,515.84, 9,146,450,979.60 and 3,617,168,312.08 is: 4,991,798,098.42
Step by Step Solution
- Step 1: Write the proportion equation
6,627,722,515.84 : 9,146,450,979.60 = 3,617,168,312.08 : x - Step 2: Convert to fraction form
6,627,722,515.84/9,146,450,979.60 = 3,617,168,312.08/x - Step 3: Cross multiply
6,627,722,515.84x = 9,146,450,979.60 × 3,617,168,312.08 - Step 4: Simplify right side
6,627,722,515.84x = 33,084,252,651,402,194,944 - Step 5: Solve for x
x = 33,084,252,651,402,194,944/6,627,722,515.84 - Step 6: Final answer
x = 4,991,798,098.42
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1.5x scale
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.