Finding the Fourth Proportional to 435,660,349.80, 653,490,524.70 and 159,311,029.80
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Solution
The fourth proportional to 435,660,349.80, 653,490,524.70 and 159,311,029.80 is: 238,966,544.70
Step by Step Solution
- Step 1: Write the proportion equation
435,660,349.80 : 653,490,524.70 = 159,311,029.80 : x - Step 2: Convert to fraction form
435,660,349.80/653,490,524.70 = 159,311,029.80/x - Step 3: Cross multiply
435,660,349.80x = 653,490,524.70 × 159,311,029.80 - Step 4: Simplify right side
435,660,349.80x = 104,108,248,454,499,344 - Step 5: Solve for x
x = 104,108,248,454,499,344/435,660,349.80 - Step 6: Final answer
x = 238,966,544.70
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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.