Finding the Fourth Proportional to 755,351,257,655.75, 1,132,704,360,058.40 and 437,217,048,121.23
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Solution
The fourth proportional to 755,351,257,655.75, 1,132,704,360,058.40 and 437,217,048,121.23 is: 655,638,885,458.09
Step by Step Solution
- Step 1: Write the proportion equation
755,351,257,655.75 : 1,132,704,360,058.40 = 437,217,048,121.23 : x - Step 2: Convert to fraction form
755,351,257,655.75/1,132,704,360,058.40 = 437,217,048,121.23/x - Step 3: Cross multiply
755,351,257,655.75x = 1,132,704,360,058.40 × 437,217,048,121.23 - Step 4: Simplify right side
755,351,257,655.75x = 495,237,656,698,780,448,194,560 - Step 5: Solve for x
x = 495,237,656,698,780,448,194,560/755,351,257,655.75 - Step 6: Final answer
x = 655,638,885,458.09
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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.