Finding the Fourth Proportional to 7,803,646,381.80, 10,769,042,671.20 and 4,235,353,342.80
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Solution
The fourth proportional to 7,803,646,381.80, 10,769,042,671.20 and 4,235,353,342.80 is: 5,844,793,401.02
Step by Step Solution
- Step 1: Write the proportion equation
7,803,646,381.80 : 10,769,042,671.20 = 4,235,353,342.80 : x - Step 2: Convert to fraction form
7,803,646,381.80/10,769,042,671.20 = 4,235,353,342.80/x - Step 3: Cross multiply
7,803,646,381.80x = 10,769,042,671.20 × 4,235,353,342.80 - Step 4: Simplify right side
7,803,646,381.80x = 45,610,700,876,222,767,104 - Step 5: Solve for x
x = 45,610,700,876,222,767,104/7,803,646,381.80 - Step 6: Final answer
x = 5,844,793,401.02
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1.5x scale
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.