Finding the Fourth Proportional to 6,639,813,946.70, 9,953,591,830.68 and 3,320,740,318.68
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Solution
The fourth proportional to 6,639,813,946.70, 9,953,591,830.68 and 3,320,740,318.68 is: 4,978,045,164.09
Step by Step Solution
- Step 1: Write the proportion equation
6,639,813,946.70 : 9,953,591,830.68 = 3,320,740,318.68 : x - Step 2: Convert to fraction form
6,639,813,946.70/9,953,591,830.68 = 3,320,740,318.68/x - Step 3: Cross multiply
6,639,813,946.70x = 9,953,591,830.68 × 3,320,740,318.68 - Step 4: Simplify right side
6,639,813,946.70x = 33,053,293,707,822,948,352 - Step 5: Solve for x
x = 33,053,293,707,822,948,352/6,639,813,946.70 - Step 6: Final answer
x = 4,978,045,164.09
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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.