Finding the Fourth Proportional to 3,551,169,268.80, 5,326,753,903.20 and 1,918,582,516.80
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Solution
The fourth proportional to 3,551,169,268.80, 5,326,753,903.20 and 1,918,582,516.80 is: 2,877,873,775.20
Step by Step Solution
- Step 1: Write the proportion equation
3,551,169,268.80 : 5,326,753,903.20 = 1,918,582,516.80 : x - Step 2: Convert to fraction form
3,551,169,268.80/5,326,753,903.20 = 1,918,582,516.80/x - Step 3: Cross multiply
3,551,169,268.80x = 5,326,753,903.20 × 1,918,582,516.80 - Step 4: Simplify right side
3,551,169,268.80x = 10,219,816,909,975,678,976 - Step 5: Solve for x
x = 10,219,816,909,975,678,976/3,551,169,268.80 - Step 6: Final answer
x = 2,877,873,775.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.