Finding the Fourth Proportional to 427,681,886.62, 590,201,249.13 and 232,111,598.62
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Solution
The fourth proportional to 427,681,886.62, 590,201,249.13 and 232,111,598.62 is: 320,314,139.38
Step by Step Solution
- Step 1: Write the proportion equation
427,681,886.62 : 590,201,249.13 = 232,111,598.62 : x - Step 2: Convert to fraction form
427,681,886.62/590,201,249.13 = 232,111,598.62/x - Step 3: Cross multiply
427,681,886.62x = 590,201,249.13 × 232,111,598.62 - Step 4: Simplify right side
427,681,886.62x = 136,992,555,443,085,184 - Step 5: Solve for x
x = 136,992,555,443,085,184/427,681,886.62 - Step 6: Final answer
x = 320,314,139.38
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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.