Finding the Fourth Proportional to 699,372,925.55, 965,129,640.55 and 381,833,161.62
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Solution
The fourth proportional to 699,372,925.55, 965,129,640.55 and 381,833,161.62 is: 526,927,035.00
Step by Step Solution
- Step 1: Write the proportion equation
699,372,925.55 : 965,129,640.55 = 381,833,161.62 : x - Step 2: Convert to fraction form
699,372,925.55/965,129,640.55 = 381,833,161.62/x - Step 3: Cross multiply
699,372,925.55x = 965,129,640.55 × 381,833,161.62 - Step 4: Simplify right side
699,372,925.55x = 368,518,502,019,806,848 - Step 5: Solve for x
x = 368,518,502,019,806,848/699,372,925.55 - Step 6: Final answer
x = 526,927,035.00
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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.