Finding the Fourth Proportional to 1,962,661,445.40, 2,944,017,811.12 and 652,563,497.84
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Solution
The fourth proportional to 1,962,661,445.40, 2,944,017,811.12 and 652,563,497.84 is: 978,853,772.78
Step by Step Solution
- Step 1: Write the proportion equation
1,962,661,445.40 : 2,944,017,811.12 = 652,563,497.84 : x - Step 2: Convert to fraction form
1,962,661,445.40/2,944,017,811.12 = 652,563,497.84/x - Step 3: Cross multiply
1,962,661,445.40x = 2,944,017,811.12 × 652,563,497.84 - Step 4: Simplify right side
1,962,661,445.40x = 1,921,158,560,527,727,616 - Step 5: Solve for x
x = 1,921,158,560,527,727,616/1,962,661,445.40 - Step 6: Final answer
x = 978,853,772.78
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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.