Finding the Fourth Proportional to 708,483,302.80, 1,063,172,851.80 and 417,349,862.80
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Solution
The fourth proportional to 708,483,302.80, 1,063,172,851.80 and 417,349,862.80 is: 626,288,639.52
Step by Step Solution
- Step 1: Write the proportion equation
708,483,302.80 : 1,063,172,851.80 = 417,349,862.80 : x - Step 2: Convert to fraction form
708,483,302.80/1,063,172,851.80 = 417,349,862.80/x - Step 3: Cross multiply
708,483,302.80x = 1,063,172,851.80 × 417,349,862.80 - Step 4: Simplify right side
708,483,302.80x = 443,715,043,831,414,720 - Step 5: Solve for x
x = 443,715,043,831,414,720/708,483,302.80 - Step 6: Final answer
x = 626,288,639.52
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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.