Finding the Fourth Proportional to 7,558,289,975.70, 11,337,434,963.55 and 3,688,454,711.70
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Solution
The fourth proportional to 7,558,289,975.70, 11,337,434,963.55 and 3,688,454,711.70 is: 5,532,682,067.55
Step by Step Solution
- Step 1: Write the proportion equation
7,558,289,975.70 : 11,337,434,963.55 = 3,688,454,711.70 : x - Step 2: Convert to fraction form
7,558,289,975.70/11,337,434,963.55 = 3,688,454,711.70/x - Step 3: Cross multiply
7,558,289,975.70x = 11,337,434,963.55 × 3,688,454,711.70 - Step 4: Simplify right side
7,558,289,975.70x = 41,817,615,409,898,307,584 - Step 5: Solve for x
x = 41,817,615,409,898,307,584/7,558,289,975.70 - Step 6: Final answer
x = 5,532,682,067.55
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Double scale
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Similar ratio
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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.