Finding the Fourth Proportional to 7,975,934,571.36, 11,006,823,401.68 and 4,359,032,155.92
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Solution
The fourth proportional to 7,975,934,571.36, 11,006,823,401.68 and 4,359,032,155.92 is: 6,015,482,789.28
Step by Step Solution
- Step 1: Write the proportion equation
7,975,934,571.36 : 11,006,823,401.68 = 4,359,032,155.92 : x - Step 2: Convert to fraction form
7,975,934,571.36/11,006,823,401.68 = 4,359,032,155.92/x - Step 3: Cross multiply
7,975,934,571.36x = 11,006,823,401.68 × 4,359,032,155.92 - Step 4: Simplify right side
7,975,934,571.36x = 47,979,097,142,455,877,632 - Step 5: Solve for x
x = 47,979,097,142,455,877,632/7,975,934,571.36 - Step 6: Final answer
x = 6,015,482,789.28
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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.