Finding the Fourth Proportional to 282,660,648.87, 390,369,077.82 and 251,848,290.18
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Solution
The fourth proportional to 282,660,648.87, 390,369,077.82 and 251,848,290.18 is: 347,815,605.68
Step by Step Solution
- Step 1: Write the proportion equation
282,660,648.87 : 390,369,077.82 = 251,848,290.18 : x - Step 2: Convert to fraction form
282,660,648.87/390,369,077.82 = 251,848,290.18/x - Step 3: Cross multiply
282,660,648.87x = 390,369,077.82 × 251,848,290.18 - Step 4: Simplify right side
282,660,648.87x = 98,313,784,788,110,368 - Step 5: Solve for x
x = 98,313,784,788,110,368/282,660,648.87 - Step 6: Final answer
x = 347,815,605.68
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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.