Finding the Fourth Proportional to 295,087,249.70, 442,630,874.55 and 286,584,193.70
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Solution
The fourth proportional to 295,087,249.70, 442,630,874.55 and 286,584,193.70 is: 429,876,290.55
Step by Step Solution
- Step 1: Write the proportion equation
295,087,249.70 : 442,630,874.55 = 286,584,193.70 : x - Step 2: Convert to fraction form
295,087,249.70/442,630,874.55 = 286,584,193.70/x - Step 3: Cross multiply
295,087,249.70x = 442,630,874.55 × 286,584,193.70 - Step 4: Simplify right side
295,087,249.70x = 126,851,012,289,637,600 - Step 5: Solve for x
x = 126,851,012,289,637,600/295,087,249.70 - Step 6: Final answer
x = 429,876,290.55
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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.