Finding the Fourth Proportional to 2,583,160,769.11, 3,875,356,984.80 and 836,364,031.69
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Solution
The fourth proportional to 2,583,160,769.11, 3,875,356,984.80 and 836,364,031.69 is: 1,254,745,438.54
Step by Step Solution
- Step 1: Write the proportion equation
2,583,160,769.11 : 3,875,356,984.80 = 836,364,031.69 : x - Step 2: Convert to fraction form
2,583,160,769.11/3,875,356,984.80 = 836,364,031.69/x - Step 3: Cross multiply
2,583,160,769.11x = 3,875,356,984.80 × 836,364,031.69 - Step 4: Simplify right side
2,583,160,769.11x = 3,241,209,192,045,330,432 - Step 5: Solve for x
x = 3,241,209,192,045,330,432/2,583,160,769.11 - Step 6: Final answer
x = 1,254,745,438.54
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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.