Finding the Fourth Proportional to 2,948,746,865.29, 4,069,246,491 and 1,610,637,808.39
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Solution
The fourth proportional to 2,948,746,865.29, 4,069,246,491 and 1,610,637,808.39 is: 2,222,666,966.50
Step by Step Solution
- Step 1: Write the proportion equation
2,948,746,865.29 : 4,069,246,491 = 1,610,637,808.39 : x - Step 2: Convert to fraction form
2,948,746,865.29/4,069,246,491 = 1,610,637,808.39/x - Step 3: Cross multiply
2,948,746,865.29x = 4,069,246,491 × 1,610,637,808.39 - Step 4: Simplify right side
2,948,746,865.29x = 6,554,082,250,052,764,672 - Step 5: Solve for x
x = 6,554,082,250,052,764,672/2,948,746,865.29 - Step 6: Final answer
x = 2,222,666,966.50
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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.