Finding the Fourth Proportional to 5,557,160,072.40, 8,328,087,358.20 and 3,686,487,752.40
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Solution
The fourth proportional to 5,557,160,072.40, 8,328,087,358.20 and 3,686,487,752.40 is: 5,524,654,976.09
Step by Step Solution
- Step 1: Write the proportion equation
5,557,160,072.40 : 8,328,087,358.20 = 3,686,487,752.40 : x - Step 2: Convert to fraction form
5,557,160,072.40/8,328,087,358.20 = 3,686,487,752.40/x - Step 3: Cross multiply
5,557,160,072.40x = 8,328,087,358.20 × 3,686,487,752.40 - Step 4: Simplify right side
5,557,160,072.40x = 30,701,392,046,921,572,352 - Step 5: Solve for x
x = 30,701,392,046,921,572,352/5,557,160,072.40 - Step 6: Final answer
x = 5,524,654,976.09
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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.