Finding the Fourth Proportional to 1,919,241,025.68, 2,879,923,838.04 and 936,675,703.92
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Solution
The fourth proportional to 1,919,241,025.68, 2,879,923,838.04 and 936,675,703.92 is: 1,405,532,005.69
Step by Step Solution
- Step 1: Write the proportion equation
1,919,241,025.68 : 2,879,923,838.04 = 936,675,703.92 : x - Step 2: Convert to fraction form
1,919,241,025.68/2,879,923,838.04 = 936,675,703.92/x - Step 3: Cross multiply
1,919,241,025.68x = 2,879,923,838.04 × 936,675,703.92 - Step 4: Simplify right side
1,919,241,025.68x = 2,697,554,688,232,104,960 - Step 5: Solve for x
x = 2,697,554,688,232,104,960/1,919,241,025.68 - Step 6: Final answer
x = 1,405,532,005.69
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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.