Finding the Fourth Proportional to 826,943,250.70, 1,240,414,876.05 and 366,927,921.10
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Solution
The fourth proportional to 826,943,250.70, 1,240,414,876.05 and 366,927,921.10 is: 550,391,881.65
Step by Step Solution
- Step 1: Write the proportion equation
826,943,250.70 : 1,240,414,876.05 = 366,927,921.10 : x - Step 2: Convert to fraction form
826,943,250.70/1,240,414,876.05 = 366,927,921.10/x - Step 3: Cross multiply
826,943,250.70x = 1,240,414,876.05 × 366,927,921.10 - Step 4: Simplify right side
826,943,250.70x = 455,142,851,770,540,672 - Step 5: Solve for x
x = 455,142,851,770,540,672/826,943,250.70 - Step 6: Final answer
x = 550,391,881.65
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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.