Finding the Fourth Proportional to 850,720,312.86, 1,276,090,629.94 and 237,267,214.62
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Solution
The fourth proportional to 850,720,312.86, 1,276,090,629.94 and 237,267,214.62 is: 355,903,655.75
Step by Step Solution
- Step 1: Write the proportion equation
850,720,312.86 : 1,276,090,629.94 = 237,267,214.62 : x - Step 2: Convert to fraction form
850,720,312.86/1,276,090,629.94 = 237,267,214.62/x - Step 3: Cross multiply
850,720,312.86x = 1,276,090,629.94 × 237,267,214.62 - Step 4: Simplify right side
850,720,312.86x = 302,774,469,368,545,024 - Step 5: Solve for x
x = 302,774,469,368,545,024/850,720,312.86 - Step 6: Final answer
x = 355,903,655.75
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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.