Finding the Fourth Proportional to 1,532,739,809.20, 2,299,109,713.80 and 887,767,265.20
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Solution
The fourth proportional to 1,532,739,809.20, 2,299,109,713.80 and 887,767,265.20 is: 1,331,650,897.80
Step by Step Solution
- Step 1: Write the proportion equation
1,532,739,809.20 : 2,299,109,713.80 = 887,767,265.20 : x - Step 2: Convert to fraction form
1,532,739,809.20/2,299,109,713.80 = 887,767,265.20/x - Step 3: Cross multiply
1,532,739,809.20x = 2,299,109,713.80 × 887,767,265.20 - Step 4: Simplify right side
1,532,739,809.20x = 2,041,074,343,014,980,864 - Step 5: Solve for x
x = 2,041,074,343,014,980,864/1,532,739,809.20 - Step 6: Final answer
x = 1,331,650,897.80
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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.