Finding the Fourth Proportional to 2,241,835,971.30, 3,363,074,877.33 and 689,257,639.98
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Solution
The fourth proportional to 2,241,835,971.30, 3,363,074,877.33 and 689,257,639.98 is: 1,033,985,127.68
Step by Step Solution
- Step 1: Write the proportion equation
2,241,835,971.30 : 3,363,074,877.33 = 689,257,639.98 : x - Step 2: Convert to fraction form
2,241,835,971.30/3,363,074,877.33 = 689,257,639.98/x - Step 3: Cross multiply
2,241,835,971.30x = 3,363,074,877.33 × 689,257,639.98 - Step 4: Simplify right side
2,241,835,971.30x = 2,318,025,053,024,503,808 - Step 5: Solve for x
x = 2,318,025,053,024,503,808/2,241,835,971.30 - Step 6: Final answer
x = 1,033,985,127.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.