Finding the Fourth Proportional to 2,772,167,065.71, 3,825,778,245.57 and 1,566,090,006.81
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Solution
The fourth proportional to 2,772,167,065.71, 3,825,778,245.57 and 1,566,090,006.81 is: 2,161,310,244.53
Step by Step Solution
- Step 1: Write the proportion equation
2,772,167,065.71 : 3,825,778,245.57 = 1,566,090,006.81 : x - Step 2: Convert to fraction form
2,772,167,065.71/3,825,778,245.57 = 1,566,090,006.81/x - Step 3: Cross multiply
2,772,167,065.71x = 3,825,778,245.57 × 1,566,090,006.81 - Step 4: Simplify right side
2,772,167,065.71x = 5,991,513,078,658,271,232 - Step 5: Solve for x
x = 5,991,513,078,658,271,232/2,772,167,065.71 - Step 6: Final answer
x = 2,161,310,244.53
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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.