Finding the Fourth Proportional to 1,997,759,944,919.70, 2,756,436,207,550 and 1,130,664,722,767.90
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Solution
The fourth proportional to 1,997,759,944,919.70, 2,756,436,207,550 and 1,130,664,722,767.90 is: 1,560,049,889,058.21
Step by Step Solution
- Step 1: Write the proportion equation
1,997,759,944,919.70 : 2,756,436,207,550 = 1,130,664,722,767.90 : x - Step 2: Convert to fraction form
1,997,759,944,919.70/2,756,436,207,550 = 1,130,664,722,767.90/x - Step 3: Cross multiply
1,997,759,944,919.70x = 2,756,436,207,550 × 1,130,664,722,767.90 - Step 4: Simplify right side
1,997,759,944,919.70x = 3,116,605,180,436,922,352,271,360 - Step 5: Solve for x
x = 3,116,605,180,436,922,352,271,360/1,997,759,944,919.70 - Step 6: Final answer
x = 1,560,049,889,058.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.