Finding the Fourth Proportional to 924,055,618.68, 1,275,259,318.74 and 522,029,932.34
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Solution
The fourth proportional to 924,055,618.68, 1,275,259,318.74 and 522,029,932.34 is: 720,436,651.66
Step by Step Solution
- Step 1: Write the proportion equation
924,055,618.68 : 1,275,259,318.74 = 522,029,932.34 : x - Step 2: Convert to fraction form
924,055,618.68/1,275,259,318.74 = 522,029,932.34/x - Step 3: Cross multiply
924,055,618.68x = 1,275,259,318.74 × 522,029,932.34 - Step 4: Simplify right side
924,055,618.68x = 665,723,535,871,420,416 - Step 5: Solve for x
x = 665,723,535,871,420,416/924,055,618.68 - Step 6: Final answer
x = 720,436,651.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.