Finding the Fourth Proportional to 472,567,665.38, 652,126,283.09 and 260,869,949.07
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Solution
The fourth proportional to 472,567,665.38, 652,126,283.09 and 260,869,949.07 is: 359,991,092.75
Step by Step Solution
- Step 1: Write the proportion equation
472,567,665.38 : 652,126,283.09 = 260,869,949.07 : x - Step 2: Convert to fraction form
472,567,665.38/652,126,283.09 = 260,869,949.07/x - Step 3: Cross multiply
472,567,665.38x = 652,126,283.09 × 260,869,949.07 - Step 4: Simplify right side
472,567,665.38x = 170,120,150,255,592,352 - Step 5: Solve for x
x = 170,120,150,255,592,352/472,567,665.38 - Step 6: Final answer
x = 359,991,092.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.