Finding the Fourth Proportional to 3,710,531,251.20, 5,566,468,723.20 and 1,865,641,036.80
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Solution
The fourth proportional to 3,710,531,251.20, 5,566,468,723.20 and 1,865,641,036.80 is: 2,798,799,357.02
Step by Step Solution
- Step 1: Write the proportion equation
3,710,531,251.20 : 5,566,468,723.20 = 1,865,641,036.80 : x - Step 2: Convert to fraction form
3,710,531,251.20/5,566,468,723.20 = 1,865,641,036.80/x - Step 3: Cross multiply
3,710,531,251.20x = 5,566,468,723.20 × 1,865,641,036.80 - Step 4: Simplify right side
3,710,531,251.20x = 10,385,032,480,065,619,968 - Step 5: Solve for x
x = 10,385,032,480,065,619,968/3,710,531,251.20 - Step 6: Final answer
x = 2,798,799,357.02
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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.