Finding the Fourth Proportional to 2,068,615,220.40, 2,854,749,577.68 and 1,128,878,414.64
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Solution
The fourth proportional to 2,068,615,220.40, 2,854,749,577.68 and 1,128,878,414.64 is: 1,557,885,268.20
Step by Step Solution
- Step 1: Write the proportion equation
2,068,615,220.40 : 2,854,749,577.68 = 1,128,878,414.64 : x - Step 2: Convert to fraction form
2,068,615,220.40/2,854,749,577.68 = 1,128,878,414.64/x - Step 3: Cross multiply
2,068,615,220.40x = 2,854,749,577.68 × 1,128,878,414.64 - Step 4: Simplify right side
2,068,615,220.40x = 3,222,665,177,445,607,936 - Step 5: Solve for x
x = 3,222,665,177,445,607,936/2,068,615,220.40 - Step 6: Final answer
x = 1,557,885,268.20
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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.