Finding the Fourth Proportional to 764,836,303,981.40, 1,055,488,790,697.70 and 417,620,349,730.08
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Solution
The fourth proportional to 764,836,303,981.40, 1,055,488,790,697.70 and 417,620,349,730.08 is: 576,324,104,403.49
Step by Step Solution
- Step 1: Write the proportion equation
764,836,303,981.40 : 1,055,488,790,697.70 = 417,620,349,730.08 : x - Step 2: Convert to fraction form
764,836,303,981.40/1,055,488,790,697.70 = 417,620,349,730.08/x - Step 3: Cross multiply
764,836,303,981.40x = 1,055,488,790,697.70 × 417,620,349,730.08 - Step 4: Simplify right side
764,836,303,981.40x = 440,793,597,907,352,665,718,784 - Step 5: Solve for x
x = 440,793,597,907,352,665,718,784/764,836,303,981.40 - Step 6: Final answer
x = 576,324,104,403.49
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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.