Finding the Fourth Proportional to 5,071,165,146.54, 6,997,159,941.84 and 2,927,734,663.68
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Solution
The fourth proportional to 5,071,165,146.54, 6,997,159,941.84 and 2,927,734,663.68 is: 4,039,668,817.14
Step by Step Solution
- Step 1: Write the proportion equation
5,071,165,146.54 : 6,997,159,941.84 = 2,927,734,663.68 : x - Step 2: Convert to fraction form
5,071,165,146.54/6,997,159,941.84 = 2,927,734,663.68/x - Step 3: Cross multiply
5,071,165,146.54x = 6,997,159,941.84 × 2,927,734,663.68 - Step 4: Simplify right side
5,071,165,146.54x = 20,485,827,709,038,100,480 - Step 5: Solve for x
x = 20,485,827,709,038,100,480/5,071,165,146.54 - Step 6: Final answer
x = 4,039,668,817.14
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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.