Finding the Fourth Proportional to 1,546,608,348.72, 2,134,364,843.64 and 841,805,980.08
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Solution
The fourth proportional to 1,546,608,348.72, 2,134,364,843.64 and 841,805,980.08 is: 1,161,716,921.12
Step by Step Solution
- Step 1: Write the proportion equation
1,546,608,348.72 : 2,134,364,843.64 = 841,805,980.08 : x - Step 2: Convert to fraction form
1,546,608,348.72/2,134,364,843.64 = 841,805,980.08/x - Step 3: Cross multiply
1,546,608,348.72x = 2,134,364,843.64 × 841,805,980.08 - Step 4: Simplify right side
1,546,608,348.72x = 1,796,721,089,048,666,368 - Step 5: Solve for x
x = 1,796,721,089,048,666,368/1,546,608,348.72 - Step 6: Final answer
x = 1,161,716,921.12
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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.