Finding the Fourth Proportional to 344,977,313.80, 517,465,970.70 and 283,755,310.60
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Solution
The fourth proportional to 344,977,313.80, 517,465,970.70 and 283,755,310.60 is: 425,632,965.90
Step by Step Solution
- Step 1: Write the proportion equation
344,977,313.80 : 517,465,970.70 = 283,755,310.60 : x - Step 2: Convert to fraction form
344,977,313.80/517,465,970.70 = 283,755,310.60/x - Step 3: Cross multiply
344,977,313.80x = 517,465,970.70 × 283,755,310.60 - Step 4: Simplify right side
344,977,313.80x = 146,833,717,240,909,024 - Step 5: Solve for x
x = 146,833,717,240,909,024/344,977,313.80 - Step 6: Final answer
x = 425,632,965.90
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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.