Finding the Fourth Proportional to 2,963,531,977.77, 4,445,559,260.14 and 836,396,621.36
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Solution
The fourth proportional to 2,963,531,977.77, 4,445,559,260.14 and 836,396,621.36 is: 1,254,668,676.82
Step by Step Solution
- Step 1: Write the proportion equation
2,963,531,977.77 : 4,445,559,260.14 = 836,396,621.36 : x - Step 2: Convert to fraction form
2,963,531,977.77/4,445,559,260.14 = 836,396,621.36/x - Step 3: Cross multiply
2,963,531,977.77x = 4,445,559,260.14 × 836,396,621.36 - Step 4: Simplify right side
2,963,531,977.77x = 3,718,250,745,255,548,416 - Step 5: Solve for x
x = 3,718,250,745,255,548,416/2,963,531,977.77 - Step 6: Final answer
x = 1,254,668,676.82
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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.