Finding the Fourth Proportional to 310,847,567.70, 435,823,604.70 and 310,847,567.70
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Solution
The fourth proportional to 310,847,567.70, 435,823,604.70 and 310,847,567.70 is: 435,823,604.70
Step by Step Solution
- Step 1: Write the proportion equation
310,847,567.70 : 435,823,604.70 = 310,847,567.70 : x - Step 2: Convert to fraction form
310,847,567.70/435,823,604.70 = 310,847,567.70/x - Step 3: Cross multiply
310,847,567.70x = 435,823,604.70 × 310,847,567.70 - Step 4: Simplify right side
310,847,567.70x = 135,474,707,467,241,280 - Step 5: Solve for x
x = 135,474,707,467,241,280/310,847,567.70 - Step 6: Final answer
x = 435,823,604.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.