Finding the Fourth Proportional to 949,211,576.40, 1,423,817,364.60 and 943,164,958.80
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Solution
The fourth proportional to 949,211,576.40, 1,423,817,364.60 and 943,164,958.80 is: 1,414,747,438.20
Step by Step Solution
- Step 1: Write the proportion equation
949,211,576.40 : 1,423,817,364.60 = 943,164,958.80 : x - Step 2: Convert to fraction form
949,211,576.40/1,423,817,364.60 = 943,164,958.80/x - Step 3: Cross multiply
949,211,576.40x = 1,423,817,364.60 × 943,164,958.80 - Step 4: Simplify right side
949,211,576.40x = 1,342,894,646,021,683,456 - Step 5: Solve for x
x = 1,342,894,646,021,683,456/949,211,576.40 - Step 6: Final answer
x = 1,414,747,438.20
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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.