Finding the Fourth Proportional to 998,051,313.96, 1,496,758,586.00 and 342,844,348.07
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Solution
The fourth proportional to 998,051,313.96, 1,496,758,586.00 and 342,844,348.07 is: 514,157,152.50
Step by Step Solution
- Step 1: Write the proportion equation
998,051,313.96 : 1,496,758,586.00 = 342,844,348.07 : x - Step 2: Convert to fraction form
998,051,313.96/1,496,758,586.00 = 342,844,348.07/x - Step 3: Cross multiply
998,051,313.96x = 1,496,758,586.00 × 342,844,348.07 - Step 4: Simplify right side
998,051,313.96x = 513,155,221,637,372,672 - Step 5: Solve for x
x = 513,155,221,637,372,672/998,051,313.96 - Step 6: Final answer
x = 514,157,152.50
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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.