Finding the Fourth Proportional to 2,772,167,070.21, 3,825,778,251.78 and 1,566,090,011.31
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Solution
The fourth proportional to 2,772,167,070.21, 3,825,778,251.78 and 1,566,090,011.31 is: 2,161,310,250.74
Step by Step Solution
- Step 1: Write the proportion equation
2,772,167,070.21 : 3,825,778,251.78 = 1,566,090,011.31 : x - Step 2: Convert to fraction form
2,772,167,070.21/3,825,778,251.78 = 1,566,090,011.31/x - Step 3: Cross multiply
2,772,167,070.21x = 3,825,778,251.78 × 1,566,090,011.31 - Step 4: Simplify right side
2,772,167,070.21x = 5,991,513,105,599,692,800 - Step 5: Solve for x
x = 5,991,513,105,599,692,800/2,772,167,070.21 - Step 6: Final answer
x = 2,161,310,250.74
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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.