Finding the Fourth Proportional to 843,583,286.52, 1,164,131,934.12 and 472,318,603.92
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Solution
The fourth proportional to 843,583,286.52, 1,164,131,934.12 and 472,318,603.92 is: 651,792,394.05
Step by Step Solution
- Step 1: Write the proportion equation
843,583,286.52 : 1,164,131,934.12 = 472,318,603.92 : x - Step 2: Convert to fraction form
843,583,286.52/1,164,131,934.12 = 472,318,603.92/x - Step 3: Cross multiply
843,583,286.52x = 1,164,131,934.12 × 472,318,603.92 - Step 4: Simplify right side
843,583,286.52x = 549,841,169,902,247,808 - Step 5: Solve for x
x = 549,841,169,902,247,808/843,583,286.52 - Step 6: Final answer
x = 651,792,394.05
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Double scale
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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.