Finding the Fourth Proportional to 1,046,021,944.40, 1,566,201,761.40 and 819,529,528.40
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Solution
The fourth proportional to 1,046,021,944.40, 1,566,201,761.40 and 819,529,528.40 is: 1,227,076,160.09
Step by Step Solution
- Step 1: Write the proportion equation
1,046,021,944.40 : 1,566,201,761.40 = 819,529,528.40 : x - Step 2: Convert to fraction form
1,046,021,944.40/1,566,201,761.40 = 819,529,528.40/x - Step 3: Cross multiply
1,046,021,944.40x = 1,566,201,761.40 × 819,529,528.40 - Step 4: Simplify right side
1,046,021,944.40x = 1,283,548,590,899,391,488 - Step 5: Solve for x
x = 1,283,548,590,899,391,488/1,046,021,944.40 - Step 6: Final answer
x = 1,227,076,160.09
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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.