Finding the Fourth Proportional to 485,167,220.20, 727,254,818.70 and 239,145,466.60
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Solution
The fourth proportional to 485,167,220.20, 727,254,818.70 and 239,145,466.60 is: 358,473,709.09
Step by Step Solution
- Step 1: Write the proportion equation
485,167,220.20 : 727,254,818.70 = 239,145,466.60 : x - Step 2: Convert to fraction form
485,167,220.20/727,254,818.70 = 239,145,466.60/x - Step 3: Cross multiply
485,167,220.20x = 727,254,818.70 × 239,145,466.60 - Step 4: Simplify right side
485,167,220.20x = 173,919,692,955,109,920 - Step 5: Solve for x
x = 173,919,692,955,109,920/485,167,220.20 - Step 6: Final answer
x = 358,473,709.09
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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.