Finding the Fourth Proportional to 1,459,489,469.16, 2,189,515,867.50 and 476,651,783.94
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Solution
The fourth proportional to 1,459,489,469.16, 2,189,515,867.50 and 476,651,783.94 is: 715,069,663.92
Step by Step Solution
- Step 1: Write the proportion equation
1,459,489,469.16 : 2,189,515,867.50 = 476,651,783.94 : x - Step 2: Convert to fraction form
1,459,489,469.16/2,189,515,867.50 = 476,651,783.94/x - Step 3: Cross multiply
1,459,489,469.16x = 2,189,515,867.50 × 476,651,783.94 - Step 4: Simplify right side
1,459,489,469.16x = 1,043,636,644,208,811,648 - Step 5: Solve for x
x = 1,043,636,644,208,811,648/1,459,489,469.16 - Step 6: Final answer
x = 715,069,663.92
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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.