Finding the Fourth Proportional to 5,181,516,629.60, 7,772,297,714.35 and 1,640,275,463.93
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Solution
The fourth proportional to 5,181,516,629.60, 7,772,297,714.35 and 1,640,275,463.93 is: 2,460,420,404.02
Step by Step Solution
- Step 1: Write the proportion equation
5,181,516,629.60 : 7,772,297,714.35 = 1,640,275,463.93 : x - Step 2: Convert to fraction form
5,181,516,629.60/7,772,297,714.35 = 1,640,275,463.93/x - Step 3: Cross multiply
5,181,516,629.60x = 7,772,297,714.35 × 1,640,275,463.93 - Step 4: Simplify right side
5,181,516,629.60x = 12,748,709,239,222,853,632 - Step 5: Solve for x
x = 12,748,709,239,222,853,632/5,181,516,629.60 - Step 6: Final answer
x = 2,460,420,404.02
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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.