Finding the Fourth Proportional to 366,984,613.70, 550,476,920.55 and 148,739,509.70
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Solution
The fourth proportional to 366,984,613.70, 550,476,920.55 and 148,739,509.70 is: 223,109,264.55
Step by Step Solution
- Step 1: Write the proportion equation
366,984,613.70 : 550,476,920.55 = 148,739,509.70 : x - Step 2: Convert to fraction form
366,984,613.70/550,476,920.55 = 148,739,509.70/x - Step 3: Cross multiply
366,984,613.70x = 550,476,920.55 × 148,739,509.70 - Step 4: Simplify right side
366,984,613.70x = 81,877,667,263,772,848 - Step 5: Solve for x
x = 81,877,667,263,772,848/366,984,613.70 - Step 6: Final answer
x = 223,109,264.55
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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.