Finding the Fourth Proportional to 2,445,585,763.40, 3,668,378,645.10 and 2,066,774,618.60
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Solution
The fourth proportional to 2,445,585,763.40, 3,668,378,645.10 and 2,066,774,618.60 is: 3,100,161,927.90
Step by Step Solution
- Step 1: Write the proportion equation
2,445,585,763.40 : 3,668,378,645.10 = 2,066,774,618.60 : x - Step 2: Convert to fraction form
2,445,585,763.40/3,668,378,645.10 = 2,066,774,618.60/x - Step 3: Cross multiply
2,445,585,763.40x = 3,668,378,645.10 × 2,066,774,618.60 - Step 4: Simplify right side
2,445,585,763.40x = 7,581,711,875,106,936,832 - Step 5: Solve for x
x = 7,581,711,875,106,936,832/2,445,585,763.40 - Step 6: Final answer
x = 3,100,161,927.90
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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.