Finding the Fourth Proportional to 3,030,363,605.80, 4,545,545,408.70 and 1,996,391,996.20
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Solution
The fourth proportional to 3,030,363,605.80, 4,545,545,408.70 and 1,996,391,996.20 is: 2,994,587,994.30
Step by Step Solution
- Step 1: Write the proportion equation
3,030,363,605.80 : 4,545,545,408.70 = 1,996,391,996.20 : x - Step 2: Convert to fraction form
3,030,363,605.80/4,545,545,408.70 = 1,996,391,996.20/x - Step 3: Cross multiply
3,030,363,605.80x = 4,545,545,408.70 × 1,996,391,996.20 - Step 4: Simplify right side
3,030,363,605.80x = 9,074,690,472,292,337,664 - Step 5: Solve for x
x = 9,074,690,472,292,337,664/3,030,363,605.80 - Step 6: Final answer
x = 2,994,587,994.30
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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.