Finding the Fourth Proportional to 1,947,486,663.44, 2,687,596,590.12 and 1,067,422,622.48
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Solution
The fourth proportional to 1,947,486,663.44, 2,687,596,590.12 and 1,067,422,622.48 is: 1,473,078,842.72
Step by Step Solution
- Step 1: Write the proportion equation
1,947,486,663.44 : 2,687,596,590.12 = 1,067,422,622.48 : x - Step 2: Convert to fraction form
1,947,486,663.44/2,687,596,590.12 = 1,067,422,622.48/x - Step 3: Cross multiply
1,947,486,663.44x = 2,687,596,590.12 × 1,067,422,622.48 - Step 4: Simplify right side
1,947,486,663.44x = 2,868,801,400,394,195,968 - Step 5: Solve for x
x = 2,868,801,400,394,195,968/1,947,486,663.44 - Step 6: Final answer
x = 1,473,078,842.72
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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.