Finding the Fourth Proportional to 7,912,482,483.90, 11,866,203,864.81 and 2,599,361,354.10
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Solution
The fourth proportional to 7,912,482,483.90, 11,866,203,864.81 and 2,599,361,354.10 is: 3,898,214,221.49
Step by Step Solution
- Step 1: Write the proportion equation
7,912,482,483.90 : 11,866,203,864.81 = 2,599,361,354.10 : x - Step 2: Convert to fraction form
7,912,482,483.90/11,866,203,864.81 = 2,599,361,354.10/x - Step 3: Cross multiply
7,912,482,483.90x = 11,866,203,864.81 × 2,599,361,354.10 - Step 4: Simplify right side
7,912,482,483.90x = 30,844,551,746,059,173,888 - Step 5: Solve for x
x = 30,844,551,746,059,173,888/7,912,482,483.90 - Step 6: Final answer
x = 3,898,214,221.49
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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.