Finding the Fourth Proportional to 531,444,097.20, 797,166,145.80 and 298,991,803.80
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Solution
The fourth proportional to 531,444,097.20, 797,166,145.80 and 298,991,803.80 is: 448,487,705.70
Step by Step Solution
- Step 1: Write the proportion equation
531,444,097.20 : 797,166,145.80 = 298,991,803.80 : x - Step 2: Convert to fraction form
531,444,097.20/797,166,145.80 = 298,991,803.80/x - Step 3: Cross multiply
531,444,097.20x = 797,166,145.80 × 298,991,803.80 - Step 4: Simplify right side
531,444,097.20x = 238,346,143,861,035,776 - Step 5: Solve for x
x = 238,346,143,861,035,776/531,444,097.20 - Step 6: Final answer
x = 448,487,705.70
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1.5x scale
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.