Finding the Fourth Proportional to 708,135,046.11, 977,229,401.76 and 386,270,027.31
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Solution
The fourth proportional to 708,135,046.11, 977,229,401.76 and 386,270,027.31 is: 533,054,294.90
Step by Step Solution
- Step 1: Write the proportion equation
708,135,046.11 : 977,229,401.76 = 386,270,027.31 : x - Step 2: Convert to fraction form
708,135,046.11/977,229,401.76 = 386,270,027.31/x - Step 3: Cross multiply
708,135,046.11x = 977,229,401.76 × 386,270,027.31 - Step 4: Simplify right side
708,135,046.11x = 377,474,427,702,305,536 - Step 5: Solve for x
x = 377,474,427,702,305,536/708,135,046.11 - Step 6: Final answer
x = 533,054,294.90
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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.