Finding the Fourth Proportional to 895,425,407.20, 1,343,138,110.80 and 312,966,071.20
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Solution
The fourth proportional to 895,425,407.20, 1,343,138,110.80 and 312,966,071.20 is: 469,449,106.80
Step by Step Solution
- Step 1: Write the proportion equation
895,425,407.20 : 1,343,138,110.80 = 312,966,071.20 : x - Step 2: Convert to fraction form
895,425,407.20/1,343,138,110.80 = 312,966,071.20/x - Step 3: Cross multiply
895,425,407.20x = 1,343,138,110.80 × 312,966,071.20 - Step 4: Simplify right side
895,425,407.20x = 420,356,657,616,066,240 - Step 5: Solve for x
x = 420,356,657,616,066,240/895,425,407.20 - Step 6: Final answer
x = 469,449,106.80
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Similar ratio
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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.