Finding the Fourth Proportional to 548,693,887.96, 757,198,315.21 and 297,798,283.65
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Solution
The fourth proportional to 548,693,887.96, 757,198,315.21 and 297,798,283.65 is: 410,962,038.39
Step by Step Solution
- Step 1: Write the proportion equation
548,693,887.96 : 757,198,315.21 = 297,798,283.65 : x - Step 2: Convert to fraction form
548,693,887.96/757,198,315.21 = 297,798,283.65/x - Step 3: Cross multiply
548,693,887.96x = 757,198,315.21 × 297,798,283.65 - Step 4: Simplify right side
548,693,887.96x = 225,492,358,648,423,680 - Step 5: Solve for x
x = 225,492,358,648,423,680/548,693,887.96 - Step 6: Final answer
x = 410,962,038.39
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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.