Finding the Fourth Proportional to 7,993,646,113.74, 11,032,386,061.68 and 4,605,906,809.31
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Solution
The fourth proportional to 7,993,646,113.74, 11,032,386,061.68 and 4,605,906,809.31 is: 6,356,816,571.74
Step by Step Solution
- Step 1: Write the proportion equation
7,993,646,113.74 : 11,032,386,061.68 = 4,605,906,809.31 : x - Step 2: Convert to fraction form
7,993,646,113.74/11,032,386,061.68 = 4,605,906,809.31/x - Step 3: Cross multiply
7,993,646,113.74x = 11,032,386,061.68 × 4,605,906,809.31 - Step 4: Simplify right side
7,993,646,113.74x = 50,814,142,084,428,652,544 - Step 5: Solve for x
x = 50,814,142,084,428,652,544/7,993,646,113.74 - Step 6: Final answer
x = 6,356,816,571.74
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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.