Finding the Fourth Proportional to 464,115,800.88, 640,491,919.79 and 255,277,423.71
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Solution
The fourth proportional to 464,115,800.88, 640,491,919.79 and 255,277,423.71 is: 352,289,508.09
Step by Step Solution
- Step 1: Write the proportion equation
464,115,800.88 : 640,491,919.79 = 255,277,423.71 : x - Step 2: Convert to fraction form
464,115,800.88/640,491,919.79 = 255,277,423.71/x - Step 3: Cross multiply
464,115,800.88x = 640,491,919.79 × 255,277,423.71 - Step 4: Simplify right side
464,115,800.88x = 163,503,127,189,786,784 - Step 5: Solve for x
x = 163,503,127,189,786,784/464,115,800.88 - Step 6: Final answer
x = 352,289,508.09
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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.