Finding the Fourth Proportional to 1,262,306,750.40, 1,893,460,125.60 and 1,213,933,809.60
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Solution
The fourth proportional to 1,262,306,750.40, 1,893,460,125.60 and 1,213,933,809.60 is: 1,820,900,714.40
Step by Step Solution
- Step 1: Write the proportion equation
1,262,306,750.40 : 1,893,460,125.60 = 1,213,933,809.60 : x - Step 2: Convert to fraction form
1,262,306,750.40/1,893,460,125.60 = 1,213,933,809.60/x - Step 3: Cross multiply
1,262,306,750.40x = 1,893,460,125.60 × 1,213,933,809.60 - Step 4: Simplify right side
1,262,306,750.40x = 2,298,535,263,595,302,144 - Step 5: Solve for x
x = 2,298,535,263,595,302,144/1,262,306,750.40 - Step 6: Final answer
x = 1,820,900,714.40
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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.