Finding the Fourth Proportional to 1,234,743,713.35, 1,703,947,959.97 and 670,228,228.47
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Solution
The fourth proportional to 1,234,743,713.35, 1,703,947,959.97 and 670,228,228.47 is: 924,915,843.08
Step by Step Solution
- Step 1: Write the proportion equation
1,234,743,713.35 : 1,703,947,959.97 = 670,228,228.47 : x - Step 2: Convert to fraction form
1,234,743,713.35/1,703,947,959.97 = 670,228,228.47/x - Step 3: Cross multiply
1,234,743,713.35x = 1,703,947,959.97 × 670,228,228.47 - Step 4: Simplify right side
1,234,743,713.35x = 1,142,034,022,620,426,624 - Step 5: Solve for x
x = 1,142,034,022,620,426,624/1,234,743,713.35 - Step 6: Final answer
x = 924,915,843.08
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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.