Finding the Fourth Proportional to 504,468,009.20, 756,702,013.80 and 493,130,601.20
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Solution
The fourth proportional to 504,468,009.20, 756,702,013.80 and 493,130,601.20 is: 739,695,901.80
Step by Step Solution
- Step 1: Write the proportion equation
504,468,009.20 : 756,702,013.80 = 493,130,601.20 : x - Step 2: Convert to fraction form
504,468,009.20/756,702,013.80 = 493,130,601.20/x - Step 3: Cross multiply
504,468,009.20x = 756,702,013.80 × 493,130,601.20 - Step 4: Simplify right side
504,468,009.20x = 373,152,918,994,444,672 - Step 5: Solve for x
x = 373,152,918,994,444,672/504,468,009.20 - Step 6: Final answer
x = 739,695,901.80
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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.