Finding the Fourth Proportional to 40,318,479,823.08, 55,631,195,820.84 and 23,168,019,262.08
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Solution
The fourth proportional to 40,318,479,823.08, 55,631,195,820.84 and 23,168,019,262.08 is: 31,967,093,551.28
Step by Step Solution
- Step 1: Write the proportion equation
40,318,479,823.08 : 55,631,195,820.84 = 23,168,019,262.08 : x - Step 2: Convert to fraction form
40,318,479,823.08/55,631,195,820.84 = 23,168,019,262.08/x - Step 3: Cross multiply
40,318,479,823.08x = 55,631,195,820.84 × 23,168,019,262.08 - Step 4: Simplify right side
40,318,479,823.08x = 1,288,864,616,349,765,468,160 - Step 5: Solve for x
x = 1,288,864,616,349,765,468,160/40,318,479,823.08 - Step 6: Final answer
x = 31,967,093,551.28
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1.5x scale
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.