Finding the Fourth Proportional to 383,774,394.72, 575,694,556.67 and 134,758,248.23
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Solution
The fourth proportional to 383,774,394.72, 575,694,556.67 and 134,758,248.23 is: 202,148,947.50
Step by Step Solution
- Step 1: Write the proportion equation
383,774,394.72 : 575,694,556.67 = 134,758,248.23 : x - Step 2: Convert to fraction form
383,774,394.72/575,694,556.67 = 134,758,248.23/x - Step 3: Cross multiply
383,774,394.72x = 575,694,556.67 × 134,758,248.23 - Step 4: Simplify right side
383,774,394.72x = 77,579,589,968,843,392 - Step 5: Solve for x
x = 77,579,589,968,843,392/383,774,394.72 - Step 6: Final answer
x = 202,148,947.50
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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.