Finding the Fourth Proportional to 1,058,936,052.80, 1,588,553,378.40 and 331,848,948.80
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Solution
The fourth proportional to 1,058,936,052.80, 1,588,553,378.40 and 331,848,948.80 is: 497,820,210.52
Step by Step Solution
- Step 1: Write the proportion equation
1,058,936,052.80 : 1,588,553,378.40 = 331,848,948.80 : x - Step 2: Convert to fraction form
1,058,936,052.80/1,588,553,378.40 = 331,848,948.80/x - Step 3: Cross multiply
1,058,936,052.80x = 1,588,553,378.40 × 331,848,948.80 - Step 4: Simplify right side
1,058,936,052.80x = 527,159,768,734,728,704 - Step 5: Solve for x
x = 527,159,768,734,728,704/1,058,936,052.80 - Step 6: Final answer
x = 497,820,210.52
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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.