Finding the Fourth Proportional to 764,836,303,984.40, 1,055,488,790,701.90 and 417,620,349,733.08
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Solution
The fourth proportional to 764,836,303,984.40, 1,055,488,790,701.90 and 417,620,349,733.08 is: 576,324,104,407.66
Step by Step Solution
- Step 1: Write the proportion equation
764,836,303,984.40 : 1,055,488,790,701.90 = 417,620,349,733.08 : x - Step 2: Convert to fraction form
764,836,303,984.40/1,055,488,790,701.90 = 417,620,349,733.08/x - Step 3: Cross multiply
764,836,303,984.40x = 1,055,488,790,701.90 × 417,620,349,733.08 - Step 4: Simplify right side
764,836,303,984.40x = 440,793,597,912,273,154,736,128 - Step 5: Solve for x
x = 440,793,597,912,273,154,736,128/764,836,303,984.40 - Step 6: Final answer
x = 576,324,104,407.66
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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.