Finding the Fourth Proportional to 4,352,615,999.70, 6,528,923,999.55 and 1,081,065,203.70
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Solution
The fourth proportional to 4,352,615,999.70, 6,528,923,999.55 and 1,081,065,203.70 is: 1,621,597,805.55
Step by Step Solution
- Step 1: Write the proportion equation
4,352,615,999.70 : 6,528,923,999.55 = 1,081,065,203.70 : x - Step 2: Convert to fraction form
4,352,615,999.70/6,528,923,999.55 = 1,081,065,203.70/x - Step 3: Cross multiply
4,352,615,999.70x = 6,528,923,999.55 × 1,081,065,203.70 - Step 4: Simplify right side
4,352,615,999.70x = 7,058,192,553,515,339,776 - Step 5: Solve for x
x = 7,058,192,553,515,339,776/4,352,615,999.70 - Step 6: Final answer
x = 1,621,597,805.55
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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.