Finding the Fourth Proportional to 577,372,238.70, 866,058,358.05 and 565,893,113.10
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Solution
The fourth proportional to 577,372,238.70, 866,058,358.05 and 565,893,113.10 is: 848,839,669.65
Step by Step Solution
- Step 1: Write the proportion equation
577,372,238.70 : 866,058,358.05 = 565,893,113.10 : x - Step 2: Convert to fraction form
577,372,238.70/866,058,358.05 = 565,893,113.10/x - Step 3: Cross multiply
577,372,238.70x = 866,058,358.05 × 565,893,113.10 - Step 4: Simplify right side
577,372,238.70x = 490,096,460,363,188,928 - Step 5: Solve for x
x = 490,096,460,363,188,928/577,372,238.70 - Step 6: Final answer
x = 848,839,669.65
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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.