Finding the Fourth Proportional to 747,340,523.99, 1,031,361,255.20 and 429,801,017.97
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Solution
The fourth proportional to 747,340,523.99, 1,031,361,255.20 and 429,801,017.97 is: 593,143,424.12
Step by Step Solution
- Step 1: Write the proportion equation
747,340,523.99 : 1,031,361,255.20 = 429,801,017.97 : x - Step 2: Convert to fraction form
747,340,523.99/1,031,361,255.20 = 429,801,017.97/x - Step 3: Cross multiply
747,340,523.99x = 1,031,361,255.20 × 429,801,017.97 - Step 4: Simplify right side
747,340,523.99x = 443,280,117,379,777,024 - Step 5: Solve for x
x = 443,280,117,379,777,024/747,340,523.99 - Step 6: Final answer
x = 593,143,424.12
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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.