Finding the Fourth Proportional to 559,875,010.80, 839,812,516.20 and 253,177,129.20
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Solution
The fourth proportional to 559,875,010.80, 839,812,516.20 and 253,177,129.20 is: 379,765,693.80
Step by Step Solution
- Step 1: Write the proportion equation
559,875,010.80 : 839,812,516.20 = 253,177,129.20 : x - Step 2: Convert to fraction form
559,875,010.80/839,812,516.20 = 253,177,129.20/x - Step 3: Cross multiply
559,875,010.80x = 839,812,516.20 × 253,177,129.20 - Step 4: Simplify right side
559,875,010.80x = 212,621,321,917,744,480 - Step 5: Solve for x
x = 212,621,321,917,744,480/559,875,010.80 - Step 6: Final answer
x = 379,765,693.80
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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.