Finding the Fourth Proportional to 810,273,110.54, 1,117,559,957.18 and 697,434,651.09
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Solution
The fourth proportional to 810,273,110.54, 1,117,559,957.18 and 697,434,651.09 is: 961,928,797.43
Step by Step Solution
- Step 1: Write the proportion equation
810,273,110.54 : 1,117,559,957.18 = 697,434,651.09 : x - Step 2: Convert to fraction form
810,273,110.54/1,117,559,957.18 = 697,434,651.09/x - Step 3: Cross multiply
810,273,110.54x = 1,117,559,957.18 × 697,434,651.09 - Step 4: Simplify right side
810,273,110.54x = 779,425,038,804,501,504 - Step 5: Solve for x
x = 779,425,038,804,501,504/810,273,110.54 - Step 6: Final answer
x = 961,928,797.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.