Finding the Fourth Proportional to 651,278,292.21, 977,109,126.57 and 236,748,579.54
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Solution
The fourth proportional to 651,278,292.21, 977,109,126.57 and 236,748,579.54 is: 355,192,550.62
Step by Step Solution
- Step 1: Write the proportion equation
651,278,292.21 : 977,109,126.57 = 236,748,579.54 : x - Step 2: Convert to fraction form
651,278,292.21/977,109,126.57 = 236,748,579.54/x - Step 3: Cross multiply
651,278,292.21x = 977,109,126.57 × 236,748,579.54 - Step 4: Simplify right side
651,278,292.21x = 231,329,197,771,017,568 - Step 5: Solve for x
x = 231,329,197,771,017,568/651,278,292.21 - Step 6: Final answer
x = 355,192,550.62
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1.5x scale
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.