Finding the Fourth Proportional to 1,820,671,580.62, 2,512,525,771.47 and 1,027,724,407.75
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Solution
The fourth proportional to 1,820,671,580.62, 2,512,525,771.47 and 1,027,724,407.75 is: 1,418,259,112.70
Step by Step Solution
- Step 1: Write the proportion equation
1,820,671,580.62 : 2,512,525,771.47 = 1,027,724,407.75 : x - Step 2: Convert to fraction form
1,820,671,580.62/2,512,525,771.47 = 1,027,724,407.75/x - Step 3: Cross multiply
1,820,671,580.62x = 2,512,525,771.47 × 1,027,724,407.75 - Step 4: Simplify right side
1,820,671,580.62x = 2,582,184,060,440,617,472 - Step 5: Solve for x
x = 2,582,184,060,440,617,472/1,820,671,580.62 - Step 6: Final answer
x = 1,418,259,112.70
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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.