Finding the Fourth Proportional to 830,197,211.26, 1,145,685,762.79 and 495,698,964.10
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Solution
The fourth proportional to 830,197,211.26, 1,145,685,762.79 and 495,698,964.10 is: 684,072,697.54
Step by Step Solution
- Step 1: Write the proportion equation
830,197,211.26 : 1,145,685,762.79 = 495,698,964.10 : x - Step 2: Convert to fraction form
830,197,211.26/1,145,685,762.79 = 495,698,964.10/x - Step 3: Cross multiply
830,197,211.26x = 1,145,685,762.79 × 495,698,964.10 - Step 4: Simplify right side
830,197,211.26x = 567,915,245,799,121,344 - Step 5: Solve for x
x = 567,915,245,799,121,344/830,197,211.26 - Step 6: Final answer
x = 684,072,697.54
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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.