Finding the Fourth Proportional to 430,125,665.48, 645,010,625.40 and 134,922,319.62
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Solution
The fourth proportional to 430,125,665.48, 645,010,625.40 and 134,922,319.62 is: 202,327,684.08
Step by Step Solution
- Step 1: Write the proportion equation
430,125,665.48 : 645,010,625.40 = 134,922,319.62 : x - Step 2: Convert to fraction form
430,125,665.48/645,010,625.40 = 134,922,319.62/x - Step 3: Cross multiply
430,125,665.48x = 645,010,625.40 × 134,922,319.62 - Step 4: Simplify right side
430,125,665.48x = 87,026,329,758,514,896 - Step 5: Solve for x
x = 87,026,329,758,514,896/430,125,665.48 - Step 6: Final answer
x = 202,327,684.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.