Finding the Fourth Proportional to 328,444,340.29, 453,204,433.72 and 199,483,041.09
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Solution
The fourth proportional to 328,444,340.29, 453,204,433.72 and 199,483,041.09 is: 275,256,984.46
Step by Step Solution
- Step 1: Write the proportion equation
328,444,340.29 : 453,204,433.72 = 199,483,041.09 : x - Step 2: Convert to fraction form
328,444,340.29/453,204,433.72 = 199,483,041.09/x - Step 3: Cross multiply
328,444,340.29x = 453,204,433.72 × 199,483,041.09 - Step 4: Simplify right side
328,444,340.29x = 90,406,598,673,696,000 - Step 5: Solve for x
x = 90,406,598,673,696,000/328,444,340.29 - Step 6: Final answer
x = 275,256,984.46
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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.