Finding the Fourth Proportional to 1,346,333,416.20, 2,019,500,124.30 and 1,201,214,593.80
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Solution
The fourth proportional to 1,346,333,416.20, 2,019,500,124.30 and 1,201,214,593.80 is: 1,801,821,890.70
Step by Step Solution
- Step 1: Write the proportion equation
1,346,333,416.20 : 2,019,500,124.30 = 1,201,214,593.80 : x - Step 2: Convert to fraction form
1,346,333,416.20/2,019,500,124.30 = 1,201,214,593.80/x - Step 3: Cross multiply
1,346,333,416.20x = 2,019,500,124.30 × 1,201,214,593.80 - Step 4: Simplify right side
1,346,333,416.20x = 2,425,853,021,490,073,600 - Step 5: Solve for x
x = 2,425,853,021,490,073,600/1,346,333,416.20 - Step 6: Final answer
x = 1,801,821,890.70
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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.