Finding the Fourth Proportional to 324,768,528.86, 487,128,295.58 and 103,430,924.14
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Solution
The fourth proportional to 324,768,528.86, 487,128,295.58 and 103,430,924.14 is: 155,138,584.28
Step by Step Solution
- Step 1: Write the proportion equation
324,768,528.86 : 487,128,295.58 = 103,430,924.14 : x - Step 2: Convert to fraction form
324,768,528.86/487,128,295.58 = 103,430,924.14/x - Step 3: Cross multiply
324,768,528.86x = 487,128,295.58 × 103,430,924.14 - Step 4: Simplify right side
324,768,528.86x = 50,384,129,786,582,472 - Step 5: Solve for x
x = 50,384,129,786,582,472/324,768,528.86 - Step 6: Final answer
x = 155,138,584.28
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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.