Finding the Fourth Proportional to 2,021,955,370.80, 3,033,268,979.40 and 795,163,844.40
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Solution
The fourth proportional to 2,021,955,370.80, 3,033,268,979.40 and 795,163,844.40 is: 1,192,877,873.37
Step by Step Solution
- Step 1: Write the proportion equation
2,021,955,370.80 : 3,033,268,979.40 = 795,163,844.40 : x - Step 2: Convert to fraction form
2,021,955,370.80/3,033,268,979.40 = 795,163,844.40/x - Step 3: Cross multiply
2,021,955,370.80x = 3,033,268,979.40 × 795,163,844.40 - Step 4: Simplify right side
2,021,955,370.80x = 2,411,945,822,758,968,320 - Step 5: Solve for x
x = 2,411,945,822,758,968,320/2,021,955,370.80 - Step 6: Final answer
x = 1,192,877,873.37
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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.