Finding the Fourth Proportional to 1,820,719,772.04, 2,512,593,254.97 and 985,344,342.69
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Solution
The fourth proportional to 1,820,719,772.04, 2,512,593,254.97 and 985,344,342.69 is: 1,359,775,176.44
Step by Step Solution
- Step 1: Write the proportion equation
1,820,719,772.04 : 2,512,593,254.97 = 985,344,342.69 : x - Step 2: Convert to fraction form
1,820,719,772.04/2,512,593,254.97 = 985,344,342.69/x - Step 3: Cross multiply
1,820,719,772.04x = 2,512,593,254.97 × 985,344,342.69 - Step 4: Simplify right side
1,820,719,772.04x = 2,475,769,549,265,742,336 - Step 5: Solve for x
x = 2,475,769,549,265,742,336/1,820,719,772.04 - Step 6: Final answer
x = 1,359,775,176.44
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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.