Finding the Fourth Proportional to 885,078,743.60, 1,236,691,594 and 885,078,743.60
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Solution
The fourth proportional to 885,078,743.60, 1,236,691,594 and 885,078,743.60 is: 1,236,691,594
Step by Step Solution
- Step 1: Write the proportion equation
885,078,743.60 : 1,236,691,594 = 885,078,743.60 : x - Step 2: Convert to fraction form
885,078,743.60/1,236,691,594 = 885,078,743.60/x - Step 3: Cross multiply
885,078,743.60x = 1,236,691,594 × 885,078,743.60 - Step 4: Simplify right side
885,078,743.60x = 1,094,569,442,238,201,344 - Step 5: Solve for x
x = 1,094,569,442,238,201,344/885,078,743.60 - Step 6: Final answer
x = 1,236,691,594
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.