Finding the Fourth Proportional to 434,757,943.80, 652,136,915.70 and 348,664,501.80
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Solution
The fourth proportional to 434,757,943.80, 652,136,915.70 and 348,664,501.80 is: 522,996,752.70
Step by Step Solution
- Step 1: Write the proportion equation
434,757,943.80 : 652,136,915.70 = 348,664,501.80 : x - Step 2: Convert to fraction form
434,757,943.80/652,136,915.70 = 348,664,501.80/x - Step 3: Cross multiply
434,757,943.80x = 652,136,915.70 × 348,664,501.80 - Step 4: Simplify right side
434,757,943.80x = 227,376,992,817,929,120 - Step 5: Solve for x
x = 227,376,992,817,929,120/434,757,943.80 - Step 6: Final answer
x = 522,996,752.70
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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.