Finding the Fourth Proportional to 1,534,974,245.92, 2,118,270,798.30 and 830,126,212.48
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Solution
The fourth proportional to 1,534,974,245.92, 2,118,270,798.30 and 830,126,212.48 is: 1,145,577,601.37
Step by Step Solution
- Step 1: Write the proportion equation
1,534,974,245.92 : 2,118,270,798.30 = 830,126,212.48 : x - Step 2: Convert to fraction form
1,534,974,245.92/2,118,270,798.30 = 830,126,212.48/x - Step 3: Cross multiply
1,534,974,245.92x = 2,118,270,798.30 × 830,126,212.48 - Step 4: Simplify right side
1,534,974,245.92x = 1,758,432,114,799,764,992 - Step 5: Solve for x
x = 1,758,432,114,799,764,992/1,534,974,245.92 - Step 6: Final answer
x = 1,145,577,601.37
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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.