Finding the Fourth Proportional to 4,913,590,807.80, 7,370,386,211.70 and 2,732,556,943.80
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Solution
The fourth proportional to 4,913,590,807.80, 7,370,386,211.70 and 2,732,556,943.80 is: 4,098,835,415.70
Step by Step Solution
- Step 1: Write the proportion equation
4,913,590,807.80 : 7,370,386,211.70 = 2,732,556,943.80 : x - Step 2: Convert to fraction form
4,913,590,807.80/7,370,386,211.70 = 2,732,556,943.80/x - Step 3: Cross multiply
4,913,590,807.80x = 7,370,386,211.70 × 2,732,556,943.80 - Step 4: Simplify right side
4,913,590,807.80x = 20,140,000,021,268,611,072 - Step 5: Solve for x
x = 20,140,000,021,268,611,072/4,913,590,807.80 - Step 6: Final answer
x = 4,098,835,415.70
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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.