Finding the Fourth Proportional to 1,240,775,294,351.20, 1,858,556,536,613.20 and 787,260,757,325.96
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Solution
The fourth proportional to 1,240,775,294,351.20, 1,858,556,536,613.20 and 787,260,757,325.96 is: 1,179,237,395,528.83
Step by Step Solution
- Step 1: Write the proportion equation
1,240,775,294,351.20 : 1,858,556,536,613.20 = 787,260,757,325.96 : x - Step 2: Convert to fraction form
1,240,775,294,351.20/1,858,556,536,613.20 = 787,260,757,325.96/x - Step 3: Cross multiply
1,240,775,294,351.20x = 1,858,556,536,613.20 × 787,260,757,325.96 - Step 4: Simplify right side
1,240,775,294,351.20x = 1,463,168,626,547,221,055,143,936 - Step 5: Solve for x
x = 1,463,168,626,547,221,055,143,936/1,240,775,294,351.20 - Step 6: Final answer
x = 1,179,237,395,528.83
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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.