Finding the Fourth Proportional to 2,498,643,873.62, 3,446,117,989.02 and 2,196,583,336.32
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Solution
The fourth proportional to 2,498,643,873.62, 3,446,117,989.02 and 2,196,583,336.32 is: 3,029,517,503.31
Step by Step Solution
- Step 1: Write the proportion equation
2,498,643,873.62 : 3,446,117,989.02 = 2,196,583,336.32 : x - Step 2: Convert to fraction form
2,498,643,873.62/3,446,117,989.02 = 2,196,583,336.32/x - Step 3: Cross multiply
2,498,643,873.62x = 3,446,117,989.02 × 2,196,583,336.32 - Step 4: Simplify right side
2,498,643,873.62x = 7,569,685,349,673,921,536 - Step 5: Solve for x
x = 7,569,685,349,673,921,536/2,498,643,873.62 - Step 6: Final answer
x = 3,029,517,503.31
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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.