Finding the Fourth Proportional to 607,392,029.80, 911,088,044.70 and 279,866,909.80
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Solution
The fourth proportional to 607,392,029.80, 911,088,044.70 and 279,866,909.80 is: 419,800,364.70
Step by Step Solution
- Step 1: Write the proportion equation
607,392,029.80 : 911,088,044.70 = 279,866,909.80 : x - Step 2: Convert to fraction form
607,392,029.80/911,088,044.70 = 279,866,909.80/x - Step 3: Cross multiply
607,392,029.80x = 911,088,044.70 × 279,866,909.80 - Step 4: Simplify right side
607,392,029.80x = 254,983,395,625,913,280 - Step 5: Solve for x
x = 254,983,395,625,913,280/607,392,029.80 - Step 6: Final answer
x = 419,800,364.70
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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.