Finding the Fourth Proportional to 2,042,178,649.64, 2,818,132,134.36 and 1,137,887,861.19
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Solution
The fourth proportional to 2,042,178,649.64, 2,818,132,134.36 and 1,137,887,861.19 is: 1,570,243,792.08
Step by Step Solution
- Step 1: Write the proportion equation
2,042,178,649.64 : 2,818,132,134.36 = 1,137,887,861.19 : x - Step 2: Convert to fraction form
2,042,178,649.64/2,818,132,134.36 = 1,137,887,861.19/x - Step 3: Cross multiply
2,042,178,649.64x = 2,818,132,134.36 × 1,137,887,861.19 - Step 4: Simplify right side
2,042,178,649.64x = 3,206,718,346,917,710,336 - Step 5: Solve for x
x = 3,206,718,346,917,710,336/2,042,178,649.64 - Step 6: Final answer
x = 1,570,243,792.08
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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.