Finding the Fourth Proportional to 2,772,167,065.21, 3,825,778,244.88 and 1,566,090,006.31
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Solution
The fourth proportional to 2,772,167,065.21, 3,825,778,244.88 and 1,566,090,006.31 is: 2,161,310,243.84
Step by Step Solution
- Step 1: Write the proportion equation
2,772,167,065.21 : 3,825,778,244.88 = 1,566,090,006.31 : x - Step 2: Convert to fraction form
2,772,167,065.21/3,825,778,244.88 = 1,566,090,006.31/x - Step 3: Cross multiply
2,772,167,065.21x = 3,825,778,244.88 × 1,566,090,006.31 - Step 4: Simplify right side
2,772,167,065.21x = 5,991,513,075,664,780,288 - Step 5: Solve for x
x = 5,991,513,075,664,780,288/2,772,167,065.21 - Step 6: Final answer
x = 2,161,310,243.84
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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.