Finding the Fourth Proportional to 254,420,207.10, 381,630,310.65 and 254,420,207.10
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Solution
The fourth proportional to 254,420,207.10, 381,630,310.65 and 254,420,207.10 is: 381,630,310.65
Step by Step Solution
- Step 1: Write the proportion equation
254,420,207.10 : 381,630,310.65 = 254,420,207.10 : x - Step 2: Convert to fraction form
254,420,207.10/381,630,310.65 = 254,420,207.10/x - Step 3: Cross multiply
254,420,207.10x = 381,630,310.65 × 254,420,207.10 - Step 4: Simplify right side
254,420,207.10x = 97,094,462,671,210,320 - Step 5: Solve for x
x = 97,094,462,671,210,320/254,420,207.10 - Step 6: Final answer
x = 381,630,310.65
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1.5x scale
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.