Finding the Fourth Proportional to 454,053,553.35, 626,593,879.64 and 245,209,675.88
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Solution
The fourth proportional to 454,053,553.35, 626,593,879.64 and 245,209,675.88 is: 338,389,339.75
Step by Step Solution
- Step 1: Write the proportion equation
454,053,553.35 : 626,593,879.64 = 245,209,675.88 : x - Step 2: Convert to fraction form
454,053,553.35/626,593,879.64 = 245,209,675.88/x - Step 3: Cross multiply
454,053,553.35x = 626,593,879.64 × 245,209,675.88 - Step 4: Simplify right side
454,053,553.35x = 153,646,882,130,557,120 - Step 5: Solve for x
x = 153,646,882,130,557,120/454,053,553.35 - Step 6: Final answer
x = 338,389,339.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.