Finding the Fourth Proportional to 14,707,737,276, 20,272,967,289.36 and 9,948,277,456.80
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Solution
The fourth proportional to 14,707,737,276, 20,272,967,289.36 and 9,948,277,456.80 is: 13,712,585,401.99
Step by Step Solution
- Step 1: Write the proportion equation
14,707,737,276 : 20,272,967,289.36 = 9,948,277,456.80 : x - Step 2: Convert to fraction form
14,707,737,276/20,272,967,289.36 = 9,948,277,456.80/x - Step 3: Cross multiply
14,707,737,276x = 20,272,967,289.36 × 9,948,277,456.80 - Step 4: Simplify right side
14,707,737,276x = 201,681,103,467,183,865,856 - Step 5: Solve for x
x = 201,681,103,467,183,865,856/14,707,737,276 - Step 6: Final answer
x = 13,712,585,401.99
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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.