Finding the Fourth Proportional to 897,966,741.92, 1,230,193,886.00 and 864,393,731.75
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Solution
The fourth proportional to 897,966,741.92, 1,230,193,886.00 and 864,393,731.75 is: 1,184,199,630.42
Step by Step Solution
- Step 1: Write the proportion equation
897,966,741.92 : 1,230,193,886.00 = 864,393,731.75 : x - Step 2: Convert to fraction form
897,966,741.92/1,230,193,886.00 = 864,393,731.75/x - Step 3: Cross multiply
897,966,741.92x = 1,230,193,886.00 × 864,393,731.75 - Step 4: Simplify right side
897,966,741.92x = 1,063,371,883,900,810,624 - Step 5: Solve for x
x = 1,063,371,883,900,810,624/897,966,741.92 - Step 6: Final answer
x = 1,184,199,630.42
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.