Finding the Fourth Proportional to 2,391,077,484.08, 3,587,652,093.20 and 1,284,391,131.60
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Solution
The fourth proportional to 2,391,077,484.08, 3,587,652,093.20 and 1,284,391,131.60 is: 1,927,143,123.74
Step by Step Solution
- Step 1: Write the proportion equation
2,391,077,484.08 : 3,587,652,093.20 = 1,284,391,131.60 : x - Step 2: Convert to fraction form
2,391,077,484.08/3,587,652,093.20 = 1,284,391,131.60/x - Step 3: Cross multiply
2,391,077,484.08x = 3,587,652,093.20 × 1,284,391,131.60 - Step 4: Simplify right side
2,391,077,484.08x = 4,607,948,531,772,256,256 - Step 5: Solve for x
x = 4,607,948,531,772,256,256/2,391,077,484.08 - Step 6: Final answer
x = 1,927,143,123.74
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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.