Finding the Fourth Proportional to 665,698,519.20, 998,547,778.80 and 277,799,733.30
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Solution
The fourth proportional to 665,698,519.20, 998,547,778.80 and 277,799,733.30 is: 416,699,599.95
Step by Step Solution
- Step 1: Write the proportion equation
665,698,519.20 : 998,547,778.80 = 277,799,733.30 : x - Step 2: Convert to fraction form
665,698,519.20/998,547,778.80 = 277,799,733.30/x - Step 3: Cross multiply
665,698,519.20x = 998,547,778.80 × 277,799,733.30 - Step 4: Simplify right side
665,698,519.20x = 277,396,306,637,947,392 - Step 5: Solve for x
x = 277,396,306,637,947,392/665,698,519.20 - Step 6: Final answer
x = 416,699,599.95
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Similar ratio
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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.