Finding the Fourth Proportional to 1,459,489,473.66, 2,189,515,874.25 and 476,651,788.44
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Solution
The fourth proportional to 1,459,489,473.66, 2,189,515,874.25 and 476,651,788.44 is: 715,069,670.67
Step by Step Solution
- Step 1: Write the proportion equation
1,459,489,473.66 : 2,189,515,874.25 = 476,651,788.44 : x - Step 2: Convert to fraction form
1,459,489,473.66/2,189,515,874.25 = 476,651,788.44/x - Step 3: Cross multiply
1,459,489,473.66x = 2,189,515,874.25 × 476,651,788.44 - Step 4: Simplify right side
1,459,489,473.66x = 1,043,636,657,279,032,576 - Step 5: Solve for x
x = 1,043,636,657,279,032,576/1,459,489,473.66 - Step 6: Final answer
x = 715,069,670.67
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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.