Finding the Fourth Proportional to 846,842,588.37, 1,270,122,991.02 and 256,492,469.79
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Solution
The fourth proportional to 846,842,588.37, 1,270,122,991.02 and 256,492,469.79 is: 384,696,031.33
Step by Step Solution
- Step 1: Write the proportion equation
846,842,588.37 : 1,270,122,991.02 = 256,492,469.79 : x - Step 2: Convert to fraction form
846,842,588.37/1,270,122,991.02 = 256,492,469.79/x - Step 3: Cross multiply
846,842,588.37x = 1,270,122,991.02 × 256,492,469.79 - Step 4: Simplify right side
846,842,588.37x = 325,776,982,903,781,760 - Step 5: Solve for x
x = 325,776,982,903,781,760/846,842,588.37 - Step 6: Final answer
x = 384,696,031.33
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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.