Finding the Fourth Proportional to 734,640,800.70, 1,013,804,305.26 and 404,615,939.70
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Solution
The fourth proportional to 734,640,800.70, 1,013,804,305.26 and 404,615,939.70 is: 558,369,996.95
Step by Step Solution
- Step 1: Write the proportion equation
734,640,800.70 : 1,013,804,305.26 = 404,615,939.70 : x - Step 2: Convert to fraction form
734,640,800.70/1,013,804,305.26 = 404,615,939.70/x - Step 3: Cross multiply
734,640,800.70x = 1,013,804,305.26 × 404,615,939.70 - Step 4: Simplify right side
734,640,800.70x = 410,201,381,644,680,512 - Step 5: Solve for x
x = 410,201,381,644,680,512/734,640,800.70 - Step 6: Final answer
x = 558,369,996.95
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1.5x scale
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.