Finding the Fourth Proportional to 423,438,704.75, 634,911,435.27 and 164,351,252.75
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Solution
The fourth proportional to 423,438,704.75, 634,911,435.27 and 164,351,252.75 is: 246,431,156.62
Step by Step Solution
- Step 1: Write the proportion equation
423,438,704.75 : 634,911,435.27 = 164,351,252.75 : x - Step 2: Convert to fraction form
423,438,704.75/634,911,435.27 = 164,351,252.75/x - Step 3: Cross multiply
423,438,704.75x = 634,911,435.27 × 164,351,252.75 - Step 4: Simplify right side
423,438,704.75x = 104,348,489,768,750,480 - Step 5: Solve for x
x = 104,348,489,768,750,480/423,438,704.75 - Step 6: Final answer
x = 246,431,156.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.