Finding the Fourth Proportional to 741,566,207.91, 1,023,341,140.67 and 407,038,270.17
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Solution
The fourth proportional to 741,566,207.91, 1,023,341,140.67 and 407,038,270.17 is: 561,701,710.85
Step by Step Solution
- Step 1: Write the proportion equation
741,566,207.91 : 1,023,341,140.67 = 407,038,270.17 : x - Step 2: Convert to fraction form
741,566,207.91/1,023,341,140.67 = 407,038,270.17/x - Step 3: Cross multiply
741,566,207.91x = 1,023,341,140.67 × 407,038,270.17 - Step 4: Simplify right side
741,566,207.91x = 416,539,007,690,076,224 - Step 5: Solve for x
x = 416,539,007,690,076,224/741,566,207.91 - Step 6: Final answer
x = 561,701,710.85
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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.