Finding the Fourth Proportional to 953,396,195.36, 1,430,085,155.12 and 564,939,401.76
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Solution
The fourth proportional to 953,396,195.36, 1,430,085,155.12 and 564,939,401.76 is: 847,403,687.92
Step by Step Solution
- Step 1: Write the proportion equation
953,396,195.36 : 1,430,085,155.12 = 564,939,401.76 : x - Step 2: Convert to fraction form
953,396,195.36/1,430,085,155.12 = 564,939,401.76/x - Step 3: Cross multiply
953,396,195.36x = 1,430,085,155.12 × 564,939,401.76 - Step 4: Simplify right side
953,396,195.36x = 807,911,451,999,349,504 - Step 5: Solve for x
x = 807,911,451,999,349,504/953,396,195.36 - Step 6: Final answer
x = 847,403,687.92
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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.