Finding the Fourth Proportional to 823,609,244.84, 1,235,412,875.98 and 210,193,536.20
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Solution
The fourth proportional to 823,609,244.84, 1,235,412,875.98 and 210,193,536.20 is: 315,290,051.32
Step by Step Solution
- Step 1: Write the proportion equation
823,609,244.84 : 1,235,412,875.98 = 210,193,536.20 : x - Step 2: Convert to fraction form
823,609,244.84/1,235,412,875.98 = 210,193,536.20/x - Step 3: Cross multiply
823,609,244.84x = 1,235,412,875.98 × 210,193,536.20 - Step 4: Simplify right side
823,609,244.84x = 259,675,801,069,248,224 - Step 5: Solve for x
x = 259,675,801,069,248,224/823,609,244.84 - Step 6: Final answer
x = 315,290,051.32
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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.