Finding the Fourth Proportional to 7,538,294,465.76, 11,312,606,778.96 and 2,630,968,270.56
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Solution
The fourth proportional to 7,538,294,465.76, 11,312,606,778.96 and 2,630,968,270.56 is: 3,948,255,089.79
Step by Step Solution
- Step 1: Write the proportion equation
7,538,294,465.76 : 11,312,606,778.96 = 2,630,968,270.56 : x - Step 2: Convert to fraction form
7,538,294,465.76/11,312,606,778.96 = 2,630,968,270.56/x - Step 3: Cross multiply
7,538,294,465.76x = 11,312,606,778.96 × 2,630,968,270.56 - Step 4: Simplify right side
7,538,294,465.76x = 29,763,109,492,765,720,576 - Step 5: Solve for x
x = 29,763,109,492,765,720,576/7,538,294,465.76 - Step 6: Final answer
x = 3,948,255,089.79
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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.