Finding the Fourth Proportional to 1,246,277,758.40, 1,869,416,637.60 and 601,305,214.40
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Solution
The fourth proportional to 1,246,277,758.40, 1,869,416,637.60 and 601,305,214.40 is: 901,957,821.60
Step by Step Solution
- Step 1: Write the proportion equation
1,246,277,758.40 : 1,869,416,637.60 = 601,305,214.40 : x - Step 2: Convert to fraction form
1,246,277,758.40/1,869,416,637.60 = 601,305,214.40/x - Step 3: Cross multiply
1,246,277,758.40x = 1,869,416,637.60 × 601,305,214.40 - Step 4: Simplify right side
1,246,277,758.40x = 1,124,089,972,074,994,944 - Step 5: Solve for x
x = 1,124,089,972,074,994,944/1,246,277,758.40 - Step 6: Final answer
x = 901,957,821.60
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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.