Finding the Fourth Proportional to 2,165,662,277.31, 2,988,617,731.16 and 1,175,588,364.99
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Solution
The fourth proportional to 2,165,662,277.31, 2,988,617,731.16 and 1,175,588,364.99 is: 1,622,314,000.18
Step by Step Solution
- Step 1: Write the proportion equation
2,165,662,277.31 : 2,988,617,731.16 = 1,175,588,364.99 : x - Step 2: Convert to fraction form
2,165,662,277.31/2,988,617,731.16 = 1,175,588,364.99/x - Step 3: Cross multiply
2,165,662,277.31x = 2,988,617,731.16 × 1,175,588,364.99 - Step 4: Simplify right side
2,165,662,277.31x = 3,513,384,232,148,630,016 - Step 5: Solve for x
x = 3,513,384,232,148,630,016/2,165,662,277.31 - Step 6: Final answer
x = 1,622,314,000.18
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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.