Finding the Fourth Proportional to 665,698,520.70, 998,547,781.05 and 277,799,734.80
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Solution
The fourth proportional to 665,698,520.70, 998,547,781.05 and 277,799,734.80 is: 416,699,602.20
Step by Step Solution
- Step 1: Write the proportion equation
665,698,520.70 : 998,547,781.05 = 277,799,734.80 : x - Step 2: Convert to fraction form
665,698,520.70/998,547,781.05 = 277,799,734.80/x - Step 3: Cross multiply
665,698,520.70x = 998,547,781.05 × 277,799,734.80 - Step 4: Simplify right side
665,698,520.70x = 277,396,308,760,818,464 - Step 5: Solve for x
x = 277,396,308,760,818,464/665,698,520.70 - Step 6: Final answer
x = 416,699,602.20
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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.