Finding the Fourth Proportional to 4,990,465,322.39, 6,886,795,031.66 and 2,875,144,334.87
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Solution
The fourth proportional to 4,990,465,322.39, 6,886,795,031.66 and 2,875,144,334.87 is: 3,967,672,038.88
Step by Step Solution
- Step 1: Write the proportion equation
4,990,465,322.39 : 6,886,795,031.66 = 2,875,144,334.87 : x - Step 2: Convert to fraction form
4,990,465,322.39/6,886,795,031.66 = 2,875,144,334.87/x - Step 3: Cross multiply
4,990,465,322.39x = 6,886,795,031.66 × 2,875,144,334.87 - Step 4: Simplify right side
4,990,465,322.39x = 19,800,529,720,639,299,584 - Step 5: Solve for x
x = 19,800,529,720,639,299,584/4,990,465,322.39 - Step 6: Final answer
x = 3,967,672,038.88
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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.