Finding the Fourth Proportional to 324,957,095.12, 487,516,318.68 and 161,271,673.04
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Solution
The fourth proportional to 324,957,095.12, 487,516,318.68 and 161,271,673.04 is: 241,947,547.93
Step by Step Solution
- Step 1: Write the proportion equation
324,957,095.12 : 487,516,318.68 = 161,271,673.04 : x - Step 2: Convert to fraction form
324,957,095.12/487,516,318.68 = 161,271,673.04/x - Step 3: Cross multiply
324,957,095.12x = 487,516,318.68 × 161,271,673.04 - Step 4: Simplify right side
324,957,095.12x = 78,622,572,347,825,408 - Step 5: Solve for x
x = 78,622,572,347,825,408/324,957,095.12 - Step 6: Final answer
x = 241,947,547.93
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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.