Finding the Fourth Proportional to 569,621,986.12, 786,093,797.70 and 322,140,349
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Solution
The fourth proportional to 569,621,986.12, 786,093,797.70 and 322,140,349 is: 444,562,422.99
Step by Step Solution
- Step 1: Write the proportion equation
569,621,986.12 : 786,093,797.70 = 322,140,349 : x - Step 2: Convert to fraction form
569,621,986.12/786,093,797.70 = 322,140,349/x - Step 3: Cross multiply
569,621,986.12x = 786,093,797.70 × 322,140,349 - Step 4: Simplify right side
569,621,986.12x = 253,232,530,337,813,408 - Step 5: Solve for x
x = 253,232,530,337,813,408/569,621,986.12 - Step 6: Final answer
x = 444,562,422.99
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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.