Finding the Fourth Proportional to 7,540,536,572.86, 10,405,940,347.20 and 4,370,559,176.65
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Solution
The fourth proportional to 7,540,536,572.86, 10,405,940,347.20 and 4,370,559,176.65 is: 6,031,371,592.28
Step by Step Solution
- Step 1: Write the proportion equation
7,540,536,572.86 : 10,405,940,347.20 = 4,370,559,176.65 : x - Step 2: Convert to fraction form
7,540,536,572.86/10,405,940,347.20 = 4,370,559,176.65/x - Step 3: Cross multiply
7,540,536,572.86x = 10,405,940,347.20 × 4,370,559,176.65 - Step 4: Simplify right side
7,540,536,572.86x = 45,479,778,076,127,444,992 - Step 5: Solve for x
x = 45,479,778,076,127,444,992/7,540,536,572.86 - Step 6: Final answer
x = 6,031,371,592.28
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1.5x scale
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.