Finding the Fourth Proportional to 837,944,364.36, 1,156,503,937.32 and 485,740,669.80
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Solution
The fourth proportional to 837,944,364.36, 1,156,503,937.32 and 485,740,669.80 is: 670,403,693.89
Step by Step Solution
- Step 1: Write the proportion equation
837,944,364.36 : 1,156,503,937.32 = 485,740,669.80 : x - Step 2: Convert to fraction form
837,944,364.36/1,156,503,937.32 = 485,740,669.80/x - Step 3: Cross multiply
837,944,364.36x = 1,156,503,937.32 × 485,740,669.80 - Step 4: Simplify right side
837,944,364.36x = 561,760,997,141,248,000 - Step 5: Solve for x
x = 561,760,997,141,248,000/837,944,364.36 - Step 6: Final answer
x = 670,403,693.89
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1.5x scale
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.