Finding the Fourth Proportional to 614,302,364.70, 921,453,547.05 and 226,403,578.80
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Solution
The fourth proportional to 614,302,364.70, 921,453,547.05 and 226,403,578.80 is: 339,605,368.20
Step by Step Solution
- Step 1: Write the proportion equation
614,302,364.70 : 921,453,547.05 = 226,403,578.80 : x - Step 2: Convert to fraction form
614,302,364.70/921,453,547.05 = 226,403,578.80/x - Step 3: Cross multiply
614,302,364.70x = 921,453,547.05 × 226,403,578.80 - Step 4: Simplify right side
614,302,364.70x = 208,620,380,750,074,176 - Step 5: Solve for x
x = 208,620,380,750,074,176/614,302,364.70 - Step 6: Final answer
x = 339,605,368.20
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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.