Finding the Fourth Proportional to 2,425,553,208.80, 3,638,329,813.20 and 2,405,145,874.40
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Solution
The fourth proportional to 2,425,553,208.80, 3,638,329,813.20 and 2,405,145,874.40 is: 3,607,718,811.60
Step by Step Solution
- Step 1: Write the proportion equation
2,425,553,208.80 : 3,638,329,813.20 = 2,405,145,874.40 : x - Step 2: Convert to fraction form
2,425,553,208.80/3,638,329,813.20 = 2,405,145,874.40/x - Step 3: Cross multiply
2,425,553,208.80x = 3,638,329,813.20 × 2,405,145,874.40 - Step 4: Simplify right side
2,425,553,208.80x = 8,750,713,939,924,502,528 - Step 5: Solve for x
x = 8,750,713,939,924,502,528/2,425,553,208.80 - Step 6: Final answer
x = 3,607,718,811.60
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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.