Finding the Fourth Proportional to 657,542,915.08, 986,191,062.27 and 329,930,464.12
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Solution
The fourth proportional to 657,542,915.08, 986,191,062.27 and 329,930,464.12 is: 494,833,823.65
Step by Step Solution
- Step 1: Write the proportion equation
657,542,915.08 : 986,191,062.27 = 329,930,464.12 : x - Step 2: Convert to fraction form
657,542,915.08/986,191,062.27 = 329,930,464.12/x - Step 3: Cross multiply
657,542,915.08x = 986,191,062.27 × 329,930,464.12 - Step 4: Simplify right side
657,542,915.08x = 325,374,474,885,736,896 - Step 5: Solve for x
x = 325,374,474,885,736,896/657,542,915.08 - Step 6: Final answer
x = 494,833,823.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.