Finding the Fourth Proportional to 1,641,817,309.99, 2,466,654,809.80 and 1,052,761,642.47
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Solution
The fourth proportional to 1,641,817,309.99, 2,466,654,809.80 and 1,052,761,642.47 is: 1,581,661,706.92
Step by Step Solution
- Step 1: Write the proportion equation
1,641,817,309.99 : 2,466,654,809.80 = 1,052,761,642.47 : x - Step 2: Convert to fraction form
1,641,817,309.99/2,466,654,809.80 = 1,052,761,642.47/x - Step 3: Cross multiply
1,641,817,309.99x = 2,466,654,809.80 × 1,052,761,642.47 - Step 4: Simplify right side
1,641,817,309.99x = 2,596,799,568,953,976,320 - Step 5: Solve for x
x = 2,596,799,568,953,976,320/1,641,817,309.99 - Step 6: Final answer
x = 1,581,661,706.92
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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.