Finding the Fourth Proportional to 2,239,506,685.20, 3,359,260,027.80 and 687,037,616.40
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Solution
The fourth proportional to 2,239,506,685.20, 3,359,260,027.80 and 687,037,616.40 is: 1,030,556,424.60
Step by Step Solution
- Step 1: Write the proportion equation
2,239,506,685.20 : 3,359,260,027.80 = 687,037,616.40 : x - Step 2: Convert to fraction form
2,239,506,685.20/3,359,260,027.80 = 687,037,616.40/x - Step 3: Cross multiply
2,239,506,685.20x = 3,359,260,027.80 × 687,037,616.40 - Step 4: Simplify right side
2,239,506,685.20x = 2,307,938,002,367,510,016 - Step 5: Solve for x
x = 2,307,938,002,367,510,016/2,239,506,685.20 - Step 6: Final answer
x = 1,030,556,424.60
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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.