Finding the Fourth Proportional to 755,915,391.80, 1,133,873,087.70 and 626,775,228.80
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Solution
The fourth proportional to 755,915,391.80, 1,133,873,087.70 and 626,775,228.80 is: 940,162,843.20
Step by Step Solution
- Step 1: Write the proportion equation
755,915,391.80 : 1,133,873,087.70 = 626,775,228.80 : x - Step 2: Convert to fraction form
755,915,391.80/1,133,873,087.70 = 626,775,228.80/x - Step 3: Cross multiply
755,915,391.80x = 1,133,873,087.70 × 626,775,228.80 - Step 4: Simplify right side
755,915,391.80x = 710,683,563,973,329,920 - Step 5: Solve for x
x = 710,683,563,973,329,920/755,915,391.80 - Step 6: Final answer
x = 940,162,843.20
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Similar ratio
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1.5x scale
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.