Finding the Fourth Proportional to 460,293,838.25, 690,446,740.64 and 153,585,951.12
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Solution
The fourth proportional to 460,293,838.25, 690,446,740.64 and 153,585,951.12 is: 230,380,923.11
Step by Step Solution
- Step 1: Write the proportion equation
460,293,838.25 : 690,446,740.64 = 153,585,951.12 : x - Step 2: Convert to fraction form
460,293,838.25/690,446,740.64 = 153,585,951.12/x - Step 3: Cross multiply
460,293,838.25x = 690,446,740.64 × 153,585,951.12 - Step 4: Simplify right side
460,293,838.25x = 106,042,919,358,130,432 - Step 5: Solve for x
x = 106,042,919,358,130,432/460,293,838.25 - Step 6: Final answer
x = 230,380,923.11
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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.