Finding the Fourth Proportional to 3,977,093,566.20, 5,966,088,246.90 and 1,216,700,657.40
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Solution
The fourth proportional to 3,977,093,566.20, 5,966,088,246.90 and 1,216,700,657.40 is: 1,825,188,010.11
Step by Step Solution
- Step 1: Write the proportion equation
3,977,093,566.20 : 5,966,088,246.90 = 1,216,700,657.40 : x - Step 2: Convert to fraction form
3,977,093,566.20/5,966,088,246.90 = 1,216,700,657.40/x - Step 3: Cross multiply
3,977,093,566.20x = 5,966,088,246.90 × 1,216,700,657.40 - Step 4: Simplify right side
3,977,093,566.20x = 7,258,943,492,109,643,776 - Step 5: Solve for x
x = 7,258,943,492,109,643,776/3,977,093,566.20 - Step 6: Final answer
x = 1,825,188,010.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.