Finding the Fourth Proportional to 3,272,684,365.38, 4,909,026,613.03 and 785,545,292.94
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Solution
The fourth proportional to 3,272,684,365.38, 4,909,026,613.03 and 785,545,292.94 is: 1,178,317,954.99
Step by Step Solution
- Step 1: Write the proportion equation
3,272,684,365.38 : 4,909,026,613.03 = 785,545,292.94 : x - Step 2: Convert to fraction form
3,272,684,365.38/4,909,026,613.03 = 785,545,292.94/x - Step 3: Cross multiply
3,272,684,365.38x = 4,909,026,613.03 × 785,545,292.94 - Step 4: Simplify right side
3,272,684,365.38x = 3,856,262,748,762,534,400 - Step 5: Solve for x
x = 3,856,262,748,762,534,400/3,272,684,365.38 - Step 6: Final answer
x = 1,178,317,954.99
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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.