Finding the Fourth Proportional to 7,276,726,920.80, 10,915,091,428.80 and 1,755,984,972.80
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Solution
The fourth proportional to 7,276,726,920.80, 10,915,091,428.80 and 1,755,984,972.80 is: 2,633,977,712.00
Step by Step Solution
- Step 1: Write the proportion equation
7,276,726,920.80 : 10,915,091,428.80 = 1,755,984,972.80 : x - Step 2: Convert to fraction form
7,276,726,920.80/10,915,091,428.80 = 1,755,984,972.80/x - Step 3: Cross multiply
7,276,726,920.80x = 10,915,091,428.80 × 1,755,984,972.80 - Step 4: Simplify right side
7,276,726,920.80x = 19,166,736,525,710,880,768 - Step 5: Solve for x
x = 19,166,736,525,710,880,768/7,276,726,920.80 - Step 6: Final answer
x = 2,633,977,712.00
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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.