Finding the Fourth Proportional to 1,553,758,060.80, 2,329,965,244.80 and 777,103,622.40
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Solution
The fourth proportional to 1,553,758,060.80, 2,329,965,244.80 and 777,103,622.40 is: 1,165,319,413.29
Step by Step Solution
- Step 1: Write the proportion equation
1,553,758,060.80 : 2,329,965,244.80 = 777,103,622.40 : x - Step 2: Convert to fraction form
1,553,758,060.80/2,329,965,244.80 = 777,103,622.40/x - Step 3: Cross multiply
1,553,758,060.80x = 2,329,965,244.80 × 777,103,622.40 - Step 4: Simplify right side
1,553,758,060.80x = 1,810,624,431,800,182,784 - Step 5: Solve for x
x = 1,810,624,431,800,182,784/1,553,758,060.80 - Step 6: Final answer
x = 1,165,319,413.29
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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.