Finding the Fourth Proportional to 637,106,479,948.80, 879,207,295,029.84 and 344,131,401,266.40
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Solution
The fourth proportional to 637,106,479,948.80, 879,207,295,029.84 and 344,131,401,266.40 is: 474,901,524,257.88
Step by Step Solution
- Step 1: Write the proportion equation
637,106,479,948.80 : 879,207,295,029.84 = 344,131,401,266.40 : x - Step 2: Convert to fraction form
637,106,479,948.80/879,207,295,029.84 = 344,131,401,266.40/x - Step 3: Cross multiply
637,106,479,948.80x = 879,207,295,029.84 × 344,131,401,266.40 - Step 4: Simplify right side
637,106,479,948.80x = 302,562,838,442,260,029,243,392 - Step 5: Solve for x
x = 302,562,838,442,260,029,243,392/637,106,479,948.80 - Step 6: Final answer
x = 474,901,524,257.88
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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.