Finding the Fourth Proportional to 588,334,101.21, 811,989,326.43 and 446,972,701.41
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Solution
The fourth proportional to 588,334,101.21, 811,989,326.43 and 446,972,701.41 is: 616,889,386.50
Step by Step Solution
- Step 1: Write the proportion equation
588,334,101.21 : 811,989,326.43 = 446,972,701.41 : x - Step 2: Convert to fraction form
588,334,101.21/811,989,326.43 = 446,972,701.41/x - Step 3: Cross multiply
588,334,101.21x = 811,989,326.43 × 446,972,701.41 - Step 4: Simplify right side
588,334,101.21x = 362,937,062,750,503,424 - Step 5: Solve for x
x = 362,937,062,750,503,424/588,334,101.21 - Step 6: Final answer
x = 616,889,386.50
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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.