Finding the Fourth Proportional to 438,686,946.23, 605,452,961.09 and 277,765,887.02
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Solution
The fourth proportional to 438,686,946.23, 605,452,961.09 and 277,765,887.02 is: 383,358,064.86
Step by Step Solution
- Step 1: Write the proportion equation
438,686,946.23 : 605,452,961.09 = 277,765,887.02 : x - Step 2: Convert to fraction form
438,686,946.23/605,452,961.09 = 277,765,887.02/x - Step 3: Cross multiply
438,686,946.23x = 605,452,961.09 × 277,765,887.02 - Step 4: Simplify right side
438,686,946.23x = 168,174,178,785,494,304 - Step 5: Solve for x
x = 168,174,178,785,494,304/438,686,946.23 - Step 6: Final answer
x = 383,358,064.86
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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.