Finding the Fourth Proportional to 327,063,982.41, 490,663,683.14 and 132,975,430.65
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Solution
The fourth proportional to 327,063,982.41, 490,663,683.14 and 132,975,430.65 is: 199,490,674.85
Step by Step Solution
- Step 1: Write the proportion equation
327,063,982.41 : 490,663,683.14 = 132,975,430.65 : x - Step 2: Convert to fraction form
327,063,982.41/490,663,683.14 = 132,975,430.65/x - Step 3: Cross multiply
327,063,982.41x = 490,663,683.14 × 132,975,430.65 - Step 4: Simplify right side
327,063,982.41x = 65,246,214,569,191,768 - Step 5: Solve for x
x = 65,246,214,569,191,768/327,063,982.41 - Step 6: Final answer
x = 199,490,674.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.