Finding the Fourth Proportional to 471,518,854.36, 645,983,135.48 and 453,846,438.04
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Solution
The fourth proportional to 471,518,854.36, 645,983,135.48 and 453,846,438.04 is: 621,771,838.73
Step by Step Solution
- Step 1: Write the proportion equation
471,518,854.36 : 645,983,135.48 = 453,846,438.04 : x - Step 2: Convert to fraction form
471,518,854.36/645,983,135.48 = 453,846,438.04/x - Step 3: Cross multiply
471,518,854.36x = 645,983,135.48 × 453,846,438.04 - Step 4: Simplify right side
471,518,854.36x = 293,177,145,071,508,800 - Step 5: Solve for x
x = 293,177,145,071,508,800/471,518,854.36 - Step 6: Final answer
x = 621,771,838.73
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.