Finding the Fourth Proportional to 289,502,029.80, 434,253,044.70 and 232,106,401.80
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Solution
The fourth proportional to 289,502,029.80, 434,253,044.70 and 232,106,401.80 is: 348,159,602.70
Step by Step Solution
- Step 1: Write the proportion equation
289,502,029.80 : 434,253,044.70 = 232,106,401.80 : x - Step 2: Convert to fraction form
289,502,029.80/434,253,044.70 = 232,106,401.80/x - Step 3: Cross multiply
289,502,029.80x = 434,253,044.70 × 232,106,401.80 - Step 4: Simplify right side
289,502,029.80x = 100,792,911,676,011,568 - Step 5: Solve for x
x = 100,792,911,676,011,568/289,502,029.80 - Step 6: Final answer
x = 348,159,602.70
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1.5x scale
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.