Finding the Fourth Proportional to 415,248,569.70, 622,872,854.55 and 415,248,569.70
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Solution
The fourth proportional to 415,248,569.70, 622,872,854.55 and 415,248,569.70 is: 622,872,854.55
Step by Step Solution
- Step 1: Write the proportion equation
415,248,569.70 : 622,872,854.55 = 415,248,569.70 : x - Step 2: Convert to fraction form
415,248,569.70/622,872,854.55 = 415,248,569.70/x - Step 3: Cross multiply
415,248,569.70x = 622,872,854.55 × 415,248,569.70 - Step 4: Simplify right side
415,248,569.70x = 258,647,061,956,843,616 - Step 5: Solve for x
x = 258,647,061,956,843,616/415,248,569.70 - Step 6: Final answer
x = 622,872,854.55
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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.