Finding the Fourth Proportional to 1,891,498,361,880.20, 2,837,612,579,053.20 and 617,740,721,835.07
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Solution
The fourth proportional to 1,891,498,361,880.20, 2,837,612,579,053.20 and 617,740,721,835.07 is: 926,730,299,216.42
Step by Step Solution
- Step 1: Write the proportion equation
1,891,498,361,880.20 : 2,837,612,579,053.20 = 617,740,721,835.07 : x - Step 2: Convert to fraction form
1,891,498,361,880.20/2,837,612,579,053.20 = 617,740,721,835.07/x - Step 3: Cross multiply
1,891,498,361,880.20x = 2,837,612,579,053.20 × 617,740,721,835.07 - Step 4: Simplify right side
1,891,498,361,880.20x = 1,752,908,842,872,598,261,923,840 - Step 5: Solve for x
x = 1,752,908,842,872,598,261,923,840/1,891,498,361,880.20 - Step 6: Final answer
x = 926,730,299,216.42
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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.