Finding the Fourth Proportional to 354,294,115.66, 488,926,185.87 and 197,661,254.68
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Solution
The fourth proportional to 354,294,115.66, 488,926,185.87 and 197,661,254.68 is: 272,772,702.32
Step by Step Solution
- Step 1: Write the proportion equation
354,294,115.66 : 488,926,185.87 = 197,661,254.68 : x - Step 2: Convert to fraction form
354,294,115.66/488,926,185.87 = 197,661,254.68/x - Step 3: Cross multiply
354,294,115.66x = 488,926,185.87 × 197,661,254.68 - Step 4: Simplify right side
354,294,115.66x = 96,641,763,344,971,088 - Step 5: Solve for x
x = 96,641,763,344,971,088/354,294,115.66 - Step 6: Final answer
x = 272,772,702.32
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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.