Finding the Fourth Proportional to 394,720,210.92, 544,718,201.58 and 218,511,149.88
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Solution
The fourth proportional to 394,720,210.92, 544,718,201.58 and 218,511,149.88 is: 301,547,773.07
Step by Step Solution
- Step 1: Write the proportion equation
394,720,210.92 : 544,718,201.58 = 218,511,149.88 : x - Step 2: Convert to fraction form
394,720,210.92/544,718,201.58 = 218,511,149.88/x - Step 3: Cross multiply
394,720,210.92x = 544,718,201.58 × 218,511,149.88 - Step 4: Simplify right side
394,720,210.92x = 119,027,000,587,811,440 - Step 5: Solve for x
x = 119,027,000,587,811,440/394,720,210.92 - Step 6: Final answer
x = 301,547,773.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.