Finding the Fourth Proportional to 857,000,525.49, 1,181,465,221.86 and 574,793,397.05
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Solution
The fourth proportional to 857,000,525.49, 1,181,465,221.86 and 574,793,397.05 is: 792,413,059.46
Step by Step Solution
- Step 1: Write the proportion equation
857,000,525.49 : 1,181,465,221.86 = 574,793,397.05 : x - Step 2: Convert to fraction form
857,000,525.49/1,181,465,221.86 = 574,793,397.05/x - Step 3: Cross multiply
857,000,525.49x = 1,181,465,221.86 × 574,793,397.05 - Step 4: Simplify right side
857,000,525.49x = 679,098,408,363,433,856 - Step 5: Solve for x
x = 679,098,408,363,433,856/857,000,525.49 - Step 6: Final answer
x = 792,413,059.46
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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.