Finding the Fourth Proportional to 295,087,257.70, 442,630,886.55 and 286,584,201.70
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Solution
The fourth proportional to 295,087,257.70, 442,630,886.55 and 286,584,201.70 is: 429,876,302.55
Step by Step Solution
- Step 1: Write the proportion equation
295,087,257.70 : 442,630,886.55 = 286,584,201.70 : x - Step 2: Convert to fraction form
295,087,257.70/442,630,886.55 = 286,584,201.70/x - Step 3: Cross multiply
295,087,257.70x = 442,630,886.55 × 286,584,201.70 - Step 4: Simplify right side
295,087,257.70x = 126,851,019,269,695,008 - Step 5: Solve for x
x = 126,851,019,269,695,008/295,087,257.70 - Step 6: Final answer
x = 429,876,302.55
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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.