Finding the Fourth Proportional to 332,155,125.70, 498,232,688.55 and 147,922,245.70
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Solution
The fourth proportional to 332,155,125.70, 498,232,688.55 and 147,922,245.70 is: 221,883,368.55
Step by Step Solution
- Step 1: Write the proportion equation
332,155,125.70 : 498,232,688.55 = 147,922,245.70 : x - Step 2: Convert to fraction form
332,155,125.70/498,232,688.55 = 147,922,245.70/x - Step 3: Cross multiply
332,155,125.70x = 498,232,688.55 × 147,922,245.70 - Step 4: Simplify right side
332,155,125.70x = 73,699,698,171,464,672 - Step 5: Solve for x
x = 73,699,698,171,464,672/332,155,125.70 - Step 6: Final answer
x = 221,883,368.55
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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.