Finding the Fourth Proportional to 1,026,193,233.60, 1,539,275,416.20 and 249,840,601.20
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Solution
The fourth proportional to 1,026,193,233.60, 1,539,275,416.20 and 249,840,601.20 is: 374,757,387.60
Step by Step Solution
- Step 1: Write the proportion equation
1,026,193,233.60 : 1,539,275,416.20 = 249,840,601.20 : x - Step 2: Convert to fraction form
1,026,193,233.60/1,539,275,416.20 = 249,840,601.20/x - Step 3: Cross multiply
1,026,193,233.60x = 1,539,275,416.20 × 249,840,601.20 - Step 4: Simplify right side
1,026,193,233.60x = 384,573,495,395,788,224 - Step 5: Solve for x
x = 384,573,495,395,788,224/1,026,193,233.60 - Step 6: Final answer
x = 374,757,387.60
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Double scale
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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.