Finding the Fourth Proportional to 425,697,600.42, 587,351,512.49 and 249,390,818.48
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Solution
The fourth proportional to 425,697,600.42, 587,351,512.49 and 249,390,818.48 is: 344,094,198.06
Step by Step Solution
- Step 1: Write the proportion equation
425,697,600.42 : 587,351,512.49 = 249,390,818.48 : x - Step 2: Convert to fraction form
425,697,600.42/587,351,512.49 = 249,390,818.48/x - Step 3: Cross multiply
425,697,600.42x = 587,351,512.49 × 249,390,818.48 - Step 4: Simplify right side
425,697,600.42x = 146,480,074,431,163,328 - Step 5: Solve for x
x = 146,480,074,431,163,328/425,697,600.42 - Step 6: Final answer
x = 344,094,198.06
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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.