Finding the Fourth Proportional to 3,642,803,901.90, 5,027,071,066.52 and 1,972,053,043.11
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Solution
The fourth proportional to 3,642,803,901.90, 5,027,071,066.52 and 1,972,053,043.11 is: 2,721,434,109.99
Step by Step Solution
- Step 1: Write the proportion equation
3,642,803,901.90 : 5,027,071,066.52 = 1,972,053,043.11 : x - Step 2: Convert to fraction form
3,642,803,901.90/5,027,071,066.52 = 1,972,053,043.11/x - Step 3: Cross multiply
3,642,803,901.90x = 5,027,071,066.52 × 1,972,053,043.11 - Step 4: Simplify right side
3,642,803,901.90x = 9,913,650,794,651,140,096 - Step 5: Solve for x
x = 9,913,650,794,651,140,096/3,642,803,901.90 - Step 6: Final answer
x = 2,721,434,109.99
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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.