Finding the Fourth Proportional to 427,681,885.62, 590,201,247.75 and 232,111,597.62
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Solution
The fourth proportional to 427,681,885.62, 590,201,247.75 and 232,111,597.62 is: 320,314,138.00
Step by Step Solution
- Step 1: Write the proportion equation
427,681,885.62 : 590,201,247.75 = 232,111,597.62 : x - Step 2: Convert to fraction form
427,681,885.62/590,201,247.75 = 232,111,597.62/x - Step 3: Cross multiply
427,681,885.62x = 590,201,247.75 × 232,111,597.62 - Step 4: Simplify right side
427,681,885.62x = 136,992,554,532,569,936 - Step 5: Solve for x
x = 136,992,554,532,569,936/427,681,885.62 - Step 6: Final answer
x = 320,314,138.00
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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.