Finding the Fourth Proportional to 2,137,299,866.68, 3,203,712,231.64 and 894,442,419.56
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Solution
The fourth proportional to 2,137,299,866.68, 3,203,712,231.64 and 894,442,419.56 is: 1,340,727,225.37
Step by Step Solution
- Step 1: Write the proportion equation
2,137,299,866.68 : 3,203,712,231.64 = 894,442,419.56 : x - Step 2: Convert to fraction form
2,137,299,866.68/3,203,712,231.64 = 894,442,419.56/x - Step 3: Cross multiply
2,137,299,866.68x = 3,203,712,231.64 × 894,442,419.56 - Step 4: Simplify right side
2,137,299,866.68x = 2,865,536,120,042,048,512 - Step 5: Solve for x
x = 2,865,536,120,042,048,512/2,137,299,866.68 - Step 6: Final answer
x = 1,340,727,225.37
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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.