Finding the Fourth Proportional to 479,322,575.87, 719,024,800.29 and 168,403,182.84
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Solution
The fourth proportional to 479,322,575.87, 719,024,800.29 and 168,403,182.84 is: 252,619,156.71
Step by Step Solution
- Step 1: Write the proportion equation
479,322,575.87 : 719,024,800.29 = 168,403,182.84 : x - Step 2: Convert to fraction form
479,322,575.87/719,024,800.29 = 168,403,182.84/x - Step 3: Cross multiply
479,322,575.87x = 719,024,800.29 × 168,403,182.84 - Step 4: Simplify right side
479,322,575.87x = 121,086,064,909,099,840 - Step 5: Solve for x
x = 121,086,064,909,099,840/479,322,575.87 - Step 6: Final answer
x = 252,619,156.71
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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.