Finding the Fourth Proportional to 7,100,763,946.80, 10,651,145,920.20 and 2,963,176,897.20
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Solution
The fourth proportional to 7,100,763,946.80, 10,651,145,920.20 and 2,963,176,897.20 is: 4,444,765,345.80
Step by Step Solution
- Step 1: Write the proportion equation
7,100,763,946.80 : 10,651,145,920.20 = 2,963,176,897.20 : x - Step 2: Convert to fraction form
7,100,763,946.80/10,651,145,920.20 = 2,963,176,897.20/x - Step 3: Cross multiply
7,100,763,946.80x = 10,651,145,920.20 × 2,963,176,897.20 - Step 4: Simplify right side
7,100,763,946.80x = 31,561,229,519,442,673,664 - Step 5: Solve for x
x = 31,561,229,519,442,673,664/7,100,763,946.80 - Step 6: Final answer
x = 4,444,765,345.80
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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.