Finding the Fourth Proportional to 612,931,656.60, 845,863,550.26 and 334,491,115.88
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Solution
The fourth proportional to 612,931,656.60, 845,863,550.26 and 334,491,115.88 is: 461,607,488.80
Step by Step Solution
- Step 1: Write the proportion equation
612,931,656.60 : 845,863,550.26 = 334,491,115.88 : x - Step 2: Convert to fraction form
612,931,656.60/845,863,550.26 = 334,491,115.88/x - Step 3: Cross multiply
612,931,656.60x = 845,863,550.26 × 334,491,115.88 - Step 4: Simplify right side
612,931,656.60x = 282,933,842,808,685,856 - Step 5: Solve for x
x = 282,933,842,808,685,856/612,931,656.60 - Step 6: Final answer
x = 461,607,488.80
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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.