Finding the Fourth Proportional to 2,659,842,964.80, 3,989,764,447.20 and 1,681,606,230.08
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Solution
The fourth proportional to 2,659,842,964.80, 3,989,764,447.20 and 1,681,606,230.08 is: 2,522,409,345.11
Step by Step Solution
- Step 1: Write the proportion equation
2,659,842,964.80 : 3,989,764,447.20 = 1,681,606,230.08 : x - Step 2: Convert to fraction form
2,659,842,964.80/3,989,764,447.20 = 1,681,606,230.08/x - Step 3: Cross multiply
2,659,842,964.80x = 3,989,764,447.20 × 1,681,606,230.08 - Step 4: Simplify right side
2,659,842,964.80x = 6,709,212,750,943,258,624 - Step 5: Solve for x
x = 6,709,212,750,943,258,624/2,659,842,964.80 - Step 6: Final answer
x = 2,522,409,345.11
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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.