Finding the Fourth Proportional to 910,291,431.42, 1,256,067,044.35 and 552,873,214.44
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Solution
The fourth proportional to 910,291,431.42, 1,256,067,044.35 and 552,873,214.44 is: 762,882,962.96
Step by Step Solution
- Step 1: Write the proportion equation
910,291,431.42 : 1,256,067,044.35 = 552,873,214.44 : x - Step 2: Convert to fraction form
910,291,431.42/1,256,067,044.35 = 552,873,214.44/x - Step 3: Cross multiply
910,291,431.42x = 1,256,067,044.35 × 552,873,214.44 - Step 4: Simplify right side
910,291,431.42x = 694,445,824,360,552,448 - Step 5: Solve for x
x = 694,445,824,360,552,448/910,291,431.42 - Step 6: Final answer
x = 762,882,962.96
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1.5x scale
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.