Finding the Fourth Proportional to 828,302,753.19, 1,241,510,103.77 and 517,553,847.75
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Solution
The fourth proportional to 828,302,753.19, 1,241,510,103.77 and 517,553,847.75 is: 775,740,909.65
Step by Step Solution
- Step 1: Write the proportion equation
828,302,753.19 : 1,241,510,103.77 = 517,553,847.75 : x - Step 2: Convert to fraction form
828,302,753.19/1,241,510,103.77 = 517,553,847.75/x - Step 3: Cross multiply
828,302,753.19x = 1,241,510,103.77 × 517,553,847.75 - Step 4: Simplify right side
828,302,753.19x = 642,548,331,224,077,568 - Step 5: Solve for x
x = 642,548,331,224,077,568/828,302,753.19 - Step 6: Final answer
x = 775,740,909.65
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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.