Finding the Fourth Proportional to 464,120,801.73, 640,653,305.18 and 275,948,646.70
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Solution
The fourth proportional to 464,120,801.73, 640,653,305.18 and 275,948,646.70 is: 380,908,185.78
Step by Step Solution
- Step 1: Write the proportion equation
464,120,801.73 : 640,653,305.18 = 275,948,646.70 : x - Step 2: Convert to fraction form
464,120,801.73/640,653,305.18 = 275,948,646.70/x - Step 3: Cross multiply
464,120,801.73x = 640,653,305.18 × 275,948,646.70 - Step 4: Simplify right side
464,120,801.73x = 176,787,412,568,303,072 - Step 5: Solve for x
x = 176,787,412,568,303,072/464,120,801.73 - Step 6: Final answer
x = 380,908,185.78
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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.