Finding the Fourth Proportional to 873,706,924.20, 1,310,560,386.30 and 547,189,573.80
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Solution
The fourth proportional to 873,706,924.20, 1,310,560,386.30 and 547,189,573.80 is: 820,784,360.70
Step by Step Solution
- Step 1: Write the proportion equation
873,706,924.20 : 1,310,560,386.30 = 547,189,573.80 : x - Step 2: Convert to fraction form
873,706,924.20/1,310,560,386.30 = 547,189,573.80/x - Step 3: Cross multiply
873,706,924.20x = 1,310,560,386.30 × 547,189,573.80 - Step 4: Simplify right side
873,706,924.20x = 717,124,979,218,660,224 - Step 5: Solve for x
x = 717,124,979,218,660,224/873,706,924.20 - Step 6: Final answer
x = 820,784,360.70
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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.