Finding the Fourth Proportional to 748,197,374.80, 1,122,296,062.20 and 735,442,790.80
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Solution
The fourth proportional to 748,197,374.80, 1,122,296,062.20 and 735,442,790.80 is: 1,103,164,186.20
Step by Step Solution
- Step 1: Write the proportion equation
748,197,374.80 : 1,122,296,062.20 = 735,442,790.80 : x - Step 2: Convert to fraction form
748,197,374.80/1,122,296,062.20 = 735,442,790.80/x - Step 3: Cross multiply
748,197,374.80x = 1,122,296,062.20 × 735,442,790.80 - Step 4: Simplify right side
748,197,374.80x = 825,384,548,088,218,368 - Step 5: Solve for x
x = 825,384,548,088,218,368/748,197,374.80 - Step 6: Final answer
x = 1,103,164,186.20
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.