Finding the Fourth Proportional to 435,497,785.20, 653,545,276.20 and 193,334,482.80
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Solution
The fourth proportional to 435,497,785.20, 653,545,276.20 and 193,334,482.80 is: 290,134,283.70
Step by Step Solution
- Step 1: Write the proportion equation
435,497,785.20 : 653,545,276.20 = 193,334,482.80 : x - Step 2: Convert to fraction form
435,497,785.20/653,545,276.20 = 193,334,482.80/x - Step 3: Cross multiply
435,497,785.20x = 653,545,276.20 × 193,334,482.80 - Step 4: Simplify right side
435,497,785.20x = 126,352,837,960,510,160 - Step 5: Solve for x
x = 126,352,837,960,510,160/435,497,785.20 - Step 6: Final answer
x = 290,134,283.70
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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.