Finding the Fourth Proportional to 548,709,101.42, 757,218,935.74 and 297,813,498.94
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Solution
The fourth proportional to 548,709,101.42, 757,218,935.74 and 297,813,498.94 is: 410,982,832.49
Step by Step Solution
- Step 1: Write the proportion equation
548,709,101.42 : 757,218,935.74 = 297,813,498.94 : x - Step 2: Convert to fraction form
548,709,101.42/757,218,935.74 = 297,813,498.94/x - Step 3: Cross multiply
548,709,101.42x = 757,218,935.74 × 297,813,498.94 - Step 4: Simplify right side
548,709,101.42x = 225,510,020,716,352,416 - Step 5: Solve for x
x = 225,510,020,716,352,416/548,709,101.42 - Step 6: Final answer
x = 410,982,832.49
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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.