Finding the Fourth Proportional to 7,370,129,257.20, 11,055,193,885.80 and 3,237,644,041.20
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Solution
The fourth proportional to 7,370,129,257.20, 11,055,193,885.80 and 3,237,644,041.20 is: 4,856,466,061.80
Step by Step Solution
- Step 1: Write the proportion equation
7,370,129,257.20 : 11,055,193,885.80 = 3,237,644,041.20 : x - Step 2: Convert to fraction form
7,370,129,257.20/11,055,193,885.80 = 3,237,644,041.20/x - Step 3: Cross multiply
7,370,129,257.20x = 11,055,193,885.80 × 3,237,644,041.20 - Step 4: Simplify right side
7,370,129,257.20x = 35,792,782,608,671,039,488 - Step 5: Solve for x
x = 35,792,782,608,671,039,488/7,370,129,257.20 - Step 6: Final answer
x = 4,856,466,061.80
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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.