Finding the Fourth Proportional to 2,853,035,999.10, 4,279,553,998.65 and 2,628,555,320.70
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Solution
The fourth proportional to 2,853,035,999.10, 4,279,553,998.65 and 2,628,555,320.70 is: 3,942,832,981.05
Step by Step Solution
- Step 1: Write the proportion equation
2,853,035,999.10 : 4,279,553,998.65 = 2,628,555,320.70 : x - Step 2: Convert to fraction form
2,853,035,999.10/4,279,553,998.65 = 2,628,555,320.70/x - Step 3: Cross multiply
2,853,035,999.10x = 4,279,553,998.65 × 2,628,555,320.70 - Step 4: Simplify right side
2,853,035,999.10x = 11,249,044,433,374,416,896 - Step 5: Solve for x
x = 11,249,044,433,374,416,896/2,853,035,999.10 - Step 6: Final answer
x = 3,942,832,981.05
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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.