Finding the Fourth Proportional to 445,596,588.84, 668,122,350.82 and 212,498,594.62
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Solution
The fourth proportional to 445,596,588.84, 668,122,350.82 and 212,498,594.62 is: 318,617,925.14
Step by Step Solution
- Step 1: Write the proportion equation
445,596,588.84 : 668,122,350.82 = 212,498,594.62 : x - Step 2: Convert to fraction form
445,596,588.84/668,122,350.82 = 212,498,594.62/x - Step 3: Cross multiply
445,596,588.84x = 668,122,350.82 × 212,498,594.62 - Step 4: Simplify right side
445,596,588.84x = 141,975,060,585,020,576 - Step 5: Solve for x
x = 141,975,060,585,020,576/445,596,588.84 - Step 6: Final answer
x = 318,617,925.14
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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.