Finding the Fourth Proportional to 641,703,717,658.30, 885,572,367,737.35 and 352,682,221,556.92
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Solution
The fourth proportional to 641,703,717,658.30, 885,572,367,737.35 and 352,682,221,556.92 is: 486,713,137,868.00
Step by Step Solution
- Step 1: Write the proportion equation
641,703,717,658.30 : 885,572,367,737.35 = 352,682,221,556.92 : x - Step 2: Convert to fraction form
641,703,717,658.30/885,572,367,737.35 = 352,682,221,556.92/x - Step 3: Cross multiply
641,703,717,658.30x = 885,572,367,737.35 × 352,682,221,556.92 - Step 4: Simplify right side
641,703,717,658.30x = 312,325,630,003,030,276,440,064 - Step 5: Solve for x
x = 312,325,630,003,030,276,440,064/641,703,717,658.30 - Step 6: Final answer
x = 486,713,137,868.00
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1.5x scale
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.