Finding the Fourth Proportional to 1,772,929,813.20, 2,659,394,719.80 and 737,446,549.20
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Solution
The fourth proportional to 1,772,929,813.20, 2,659,394,719.80 and 737,446,549.20 is: 1,106,169,823.80
Step by Step Solution
- Step 1: Write the proportion equation
1,772,929,813.20 : 2,659,394,719.80 = 737,446,549.20 : x - Step 2: Convert to fraction form
1,772,929,813.20/2,659,394,719.80 = 737,446,549.20/x - Step 3: Cross multiply
1,772,929,813.20x = 2,659,394,719.80 × 737,446,549.20 - Step 4: Simplify right side
1,772,929,813.20x = 1,961,161,459,077,211,136 - Step 5: Solve for x
x = 1,961,161,459,077,211,136/1,772,929,813.20 - Step 6: Final answer
x = 1,106,169,823.80
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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.