Finding the Fourth Proportional to 2,861,567,999.20, 4,292,351,998.80 and 1,023,396,248.80
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Solution
The fourth proportional to 2,861,567,999.20, 4,292,351,998.80 and 1,023,396,248.80 is: 1,535,094,373.20
Step by Step Solution
- Step 1: Write the proportion equation
2,861,567,999.20 : 4,292,351,998.80 = 1,023,396,248.80 : x - Step 2: Convert to fraction form
2,861,567,999.20/4,292,351,998.80 = 1,023,396,248.80/x - Step 3: Cross multiply
2,861,567,999.20x = 4,292,351,998.80 × 1,023,396,248.80 - Step 4: Simplify right side
2,861,567,999.20x = 4,392,776,934,101,102,080 - Step 5: Solve for x
x = 4,392,776,934,101,102,080/2,861,567,999.20 - Step 6: Final answer
x = 1,535,094,373.20
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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.