Finding the Fourth Proportional to 770,348,151.14, 1,063,082,509.14 and 417,924,141.86
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Solution
The fourth proportional to 770,348,151.14, 1,063,082,509.14 and 417,924,141.86 is: 576,736,433.65
Step by Step Solution
- Step 1: Write the proportion equation
770,348,151.14 : 1,063,082,509.14 = 417,924,141.86 : x - Step 2: Convert to fraction form
770,348,151.14/1,063,082,509.14 = 417,924,141.86/x - Step 3: Cross multiply
770,348,151.14x = 1,063,082,509.14 × 417,924,141.86 - Step 4: Simplify right side
770,348,151.14x = 444,287,845,358,710,144 - Step 5: Solve for x
x = 444,287,845,358,710,144/770,348,151.14 - Step 6: Final answer
x = 576,736,433.65
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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.