Finding the Fourth Proportional to 427,681,887.62, 590,201,250.48 and 232,111,599.62
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Solution
The fourth proportional to 427,681,887.62, 590,201,250.48 and 232,111,599.62 is: 320,314,140.75
Step by Step Solution
- Step 1: Write the proportion equation
427,681,887.62 : 590,201,250.48 = 232,111,599.62 : x - Step 2: Convert to fraction form
427,681,887.62/590,201,250.48 = 232,111,599.62/x - Step 3: Cross multiply
427,681,887.62x = 590,201,250.48 × 232,111,599.62 - Step 4: Simplify right side
427,681,887.62x = 136,992,556,346,637,104 - Step 5: Solve for x
x = 136,992,556,346,637,104/427,681,887.62 - Step 6: Final answer
x = 320,314,140.75
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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.