Finding the Fourth Proportional to 5,426,135,784.80, 8,139,203,677.20 and 1,341,309,672.80
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Solution
The fourth proportional to 5,426,135,784.80, 8,139,203,677.20 and 1,341,309,672.80 is: 2,011,964,509.20
Step by Step Solution
- Step 1: Write the proportion equation
5,426,135,784.80 : 8,139,203,677.20 = 1,341,309,672.80 : x - Step 2: Convert to fraction form
5,426,135,784.80/8,139,203,677.20 = 1,341,309,672.80/x - Step 3: Cross multiply
5,426,135,784.80x = 8,139,203,677.20 × 1,341,309,672.80 - Step 4: Simplify right side
5,426,135,784.80x = 10,917,192,621,117,687,808 - Step 5: Solve for x
x = 10,917,192,621,117,687,808/5,426,135,784.80 - Step 6: Final answer
x = 2,011,964,509.20
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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.