Finding the Fourth Proportional to 434,622,495.13, 599,935,053.46 and 258,410,070.09
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Solution
The fourth proportional to 434,622,495.13, 599,935,053.46 and 258,410,070.09 is: 356,698,654.47
Step by Step Solution
- Step 1: Write the proportion equation
434,622,495.13 : 599,935,053.46 = 258,410,070.09 : x - Step 2: Convert to fraction form
434,622,495.13/599,935,053.46 = 258,410,070.09/x - Step 3: Cross multiply
434,622,495.13x = 599,935,053.46 × 258,410,070.09 - Step 4: Simplify right side
434,622,495.13x = 155,029,259,214,046,496 - Step 5: Solve for x
x = 155,029,259,214,046,496/434,622,495.13 - Step 6: Final answer
x = 356,698,654.47
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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.