Finding the Fourth Proportional to 816,493,503,219.90, 1,126,761,144,734.70 and 450,687,775,540.99
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Solution
The fourth proportional to 816,493,503,219.90, 1,126,761,144,734.70 and 450,687,775,540.99 is: 621,949,191,125.08
Step by Step Solution
- Step 1: Write the proportion equation
816,493,503,219.90 : 1,126,761,144,734.70 = 450,687,775,540.99 : x - Step 2: Convert to fraction form
816,493,503,219.90/1,126,761,144,734.70 = 450,687,775,540.99/x - Step 3: Cross multiply
816,493,503,219.90x = 1,126,761,144,734.70 × 450,687,775,540.99 - Step 4: Simplify right side
816,493,503,219.90x = 507,817,473,886,501,386,321,920 - Step 5: Solve for x
x = 507,817,473,886,501,386,321,920/816,493,503,219.90 - Step 6: Final answer
x = 621,949,191,125.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.