Finding the Fourth Proportional to 1,240,775,294,352.20, 1,858,556,536,614.70 and 787,260,757,326.96
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Solution
The fourth proportional to 1,240,775,294,352.20, 1,858,556,536,614.70 and 787,260,757,326.96 is: 1,179,237,395,530.33
Step by Step Solution
- Step 1: Write the proportion equation
1,240,775,294,352.20 : 1,858,556,536,614.70 = 787,260,757,326.96 : x - Step 2: Convert to fraction form
1,240,775,294,352.20/1,858,556,536,614.70 = 787,260,757,326.96/x - Step 3: Cross multiply
1,240,775,294,352.20x = 1,858,556,536,614.70 × 787,260,757,326.96 - Step 4: Simplify right side
1,240,775,294,352.20x = 1,463,168,626,550,260,549,812,224 - Step 5: Solve for x
x = 1,463,168,626,550,260,549,812,224/1,240,775,294,352.20 - Step 6: Final answer
x = 1,179,237,395,530.33
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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.