Finding the Fourth Proportional to 944,784,844.40, 1,417,177,266.60 and 715,202,332.40
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Solution
The fourth proportional to 944,784,844.40, 1,417,177,266.60 and 715,202,332.40 is: 1,072,803,498.60
Step by Step Solution
- Step 1: Write the proportion equation
944,784,844.40 : 1,417,177,266.60 = 715,202,332.40 : x - Step 2: Convert to fraction form
944,784,844.40/1,417,177,266.60 = 715,202,332.40/x - Step 3: Cross multiply
944,784,844.40x = 1,417,177,266.60 × 715,202,332.40 - Step 4: Simplify right side
944,784,844.40x = 1,013,568,486,496,576,512 - Step 5: Solve for x
x = 1,013,568,486,496,576,512/944,784,844.40 - Step 6: Final answer
x = 1,072,803,498.60
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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.