Finding the Fourth Proportional to 922,309,120.06, 1,382,352,161.30 and 423,631,494.05
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Solution
The fourth proportional to 922,309,120.06, 1,382,352,161.30 and 423,631,494.05 is: 634,936,702.51
Step by Step Solution
- Step 1: Write the proportion equation
922,309,120.06 : 1,382,352,161.30 = 423,631,494.05 : x - Step 2: Convert to fraction form
922,309,120.06/1,382,352,161.30 = 423,631,494.05/x - Step 3: Cross multiply
922,309,120.06x = 1,382,352,161.30 × 423,631,494.05 - Step 4: Simplify right side
922,309,120.06x = 585,607,911,387,303,168 - Step 5: Solve for x
x = 585,607,911,387,303,168/922,309,120.06 - Step 6: Final answer
x = 634,936,702.51
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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.